comments@captioncolorado.com >> pelley: it's not working. america's attempt to train fighters for the war against isis is being called "an abject failure." also tonight, ten republican presidential contenders face off in their first debate. it could be worse. turns out the theater attacker had explosives. we'll look at what some theaters are doing to protect their customers. and what a ride. poking fun at the world on 16 trips around the sun. >> the world is demonstrably worse than when i started. have i caused this? [laughter] captioning sponsored by cbs this is the "cbs evening news" with scott pelley. >> pelley: we've learned that a key military unit that cost u.s. taxpayers million was

routedded in syria in its first contact with the enemy. both the cost and the stakes are high. the obama administration is depending on u.s.-trained syrians and iraqis to roll back the islamic extremist group isis, which has dismembered both countries despite daily u.s. air strikes. one pentagon official described the defeat as the u.s.-trained troops as "a friggin mess." here's david martin. >> reporter: this video purporting to show u.s.-trained fighters captured in syria could not be independently verified, but there's no doubt the pentagon's first attempt to insert fighters into syria met with what one official called "abject failure." nearly half the force was either killed, captured or missing. and they never even came in contact with isis. officially called "the new syrian force," first contingent of 54 fighters was trained by the u.s. military at a base in turkey and sent across the

border into northern syria. [explosion] but instead of fighting isis, they unexpectedly came under attack by a different radical islamic group called al-nusra. the new syrian force called for american air strikes, and the al-nusra attack was repulsed. only one member of the new syrian force was killed while the enemy lost an estimated 30 fighters, but what appeared to be a victory turned into a defeat when the are u.s. of the new syrian force scattered. some were captured by al-nusra, some made it back to turkey, others are simply missing. despite the bad start, the pentagon insisted it remains committed to the training program. it's a linchpin of a tract that depends on local ground forces taking advantage of american air strikes to recapture territory seized by isis. hundreds more fighters are currently in training or waiting to start. so far the pentagon has spent 42 million dollars setting up the program and plans to spend a

total of $500 million to train and equip 12,000 fighters. scott? >> pelley: david martin at the pentagon for us tonight. david, thank you. the starting pistol sounds tonight in a 50-week race to the republican presidential nomination. the race begins and ends in cleveland, site of the g.o.p. convention next july. tonight the first debate with the top-ten candidates in the polls. five governors, three senators, a neuro surgeon and a real estate developer. major garrett is in cleveland for thus evening. major? >> reporter: scott, that real estate developer, donald trump, is also the undisputed front-runner in a crowded republican field. trump has promised he won't attack first tonight, but he's already been criticized here for being a celebrity, not a conservative. donald trump arrived here in his own plane for his first debate as a political wild card. the other nine candidates on the stage are trying to halt trump's momentum. his sharp rhetoric has struck a chord with republican voters.

nearly 80% think trump says what he believes. earlier seven other republicans met on the same stage for what south carolina senator graham called the happy hour debate. in the fox news forum, graham had sobering words about the fight against isis. >> if you're running for president of the united states and you don't understand that we need more american ground forces in iraq and that america has to be part of a regional ground force, then you're not ready to be commander-in-chief. >> reporter: former texas trump. >> i've had my issues with donald trump. i talked about donald trump from the standpoint of being an individual who was using his celebrity rather than his conservatism. >> reporter: one of the ten in tonight's main event, kentucky senator rand paul, said he's eager to mix it up in prime time and will be looking for an empty suit. >>is donald trump the empty suit? >> we'll see. there will be a good debate. we'll see whether it's all going

to be bombast or whether it will be substantive, and the american people will have to make that judgment. >> reporter: those not on the stage tonight are on the outside looking in. with few other option, rick perry, rick santorum and others will commiserate and hold their own watch party. >> pelley: today the democrats said their first debate will be october 13th in nevada. we learned today that the police were looking for vicente montano before he attacked a tennessee movie theater yesterday. his mother had called the police to say that she was worried because her mentally ill son had disappeared. david begnaud has the latest. >> reporter: he walked toward the back of the theater and pulled out a hatchet and started attacking this family. then he pulled out a gun and we all ran out of the theater. >> reporter: vicente montano was carrying a pellet gun when he attacked moviegoers. he was also carrying pepper

spray, a lighter, a propane canister and lighter fluid. metro nashville police spokesman don aaronson. >> there is a great possibility he intended on using this propane canister as some type of an explosive. >> reporter: two minutes after being alerted to the attack, officer jonathan frith was on the scene and confronted montano. >> i got a job to do. i have to save lives. if i have to, i have to go in there and engage the target. >> reporter: the 29-year-old montano fired his pellet gun several times before he was killed by swat officers as he fan from the theater. montano's mother reported him missing three days ago. denise pruett told police her son had been diagnosed with paranoid schizophrenia and as early as 2004 she reported her son was having thoughts of suicide as well as homicide. the visual of frightened movie moviegoers running from the theaters has mothers like cina

thomas rethinking movie nights. >> my family won't be going to the movies anymore. it's opened my eyes. there have been too many too close together. >> reporter: the attacker pepper sprayed two women in the face, and the man who came to their aid was struck in the shoulder with hatchet. despite all of that, no one was seriously hurt. >> pelley: david, thank you. you just heard the woman say she didn't want to go to the movies, but 230 million americans did go last year. and don dahler is looking at what's being done to make theaters safer. >> reporter: there are almost 6,000 movie theaters in the u.s. security consultant tom deluca's company global security services has 500 armed guards in 175 of them. >> let the potential shooters see there is arm security there? >> 100%. no one undercover. we want to be seen. we want to have visibility. >> there's a shooting at the grand 16. >> reporter: since the recent shootings, his company has been fielding two to three calls a day from concerned theater owners.

new york state senator tony avella says metal detectors are the answer. he's proposing legislation that would require them in theaters. >> i think it would cut down on anybody getting into whether it's a movie theater or shopping mall undetected. >> one at a time please, thank you. >> reporter: magnometer are already used at major sporting events and concerts, but fewer than 1% of movie theaters do. metal detectors can cost up to $5,000 each and operator costs could add up to $1 million annually at a time when most movie theaters survive on narrow profit margins. do you think the small mom and pops will be able to do this? >> my opinion, they probably won't. i think they'll take the risk that it won't happen to them. >> reporter: the national association of theater owners has not endorsed the use of magnometer. instead it urged members to make sure emergency plans are up to date and that emergency exits, like the one colorado theater shooter james holmes entered through, are properly secured.

the largest theater chains have also banned costume, facemasks and toy weapons. but if security measures are expensive for theaters, so are these shootings. cinemark, the owner of the aurora theater where 12 people were killed and 70 wounded is being sued by 40 victims or victims. >> pelley: in memphis today, a funeral was held for officer sean bolton. the former iraq war veteran was shot over the weekend when he interrupted a drug deal. an ex-convict is charged. firefighters are gaining against the biggest fire in the west, the rocky fire north of san francisco is 40% contained, but most of the hot, dry fire season lies ahead. ben tracy is in lake county, california. >> we'll make sure that it's completely mopped up so that this doesn't restart. >> reporter: firefighters are chasing smokers, putting out hot spots so wind-blown embers don't

reignite the fire. heinz maibaum dug out smoldering tree roots while collette harmon roped off dead trees. >> it's serious. it's serious. the most important thing is the fire goes out and everyone goes home safe and the town is safe, as well. >> reporter: this work is a whole lot more dangerous than it looks. a lot of these trees are hollowed out and fall down without warning. firefighters call them "widow makers." the wild and wick kid rocky fire burned 109 square miles and destroyed 43 homes. it was a fire fueled by drought that has robbed california worth of two years of rain. on average fire season is now 78 days longer than it was in the 1970s. >> fasten your seat belts. it will be a rough ride here. >> reporter: governor jerry brown visited the fire zone and said the intensity of the fire is a wake-up call. >> you can imagine if the drought would continue for a year or several years,

california can literally burn up. >> reporter: some of the mandatory evacuation orders were lifted today so some people are going back to their homes, but firefighters still have quite a bit of work to do, scott. they say they will be putting out hot spots until at least monday. >> pelley: ben tracy in the part of california that's already burned up. ben, thanks. tonight too much rain is on a collision course with taiwan. this is typhoon soudelor churning the pacific with gusts of 120mph. it could drop 20 inches of rain when it hits tomorrow. it left a path of destruction in the mariana islands, a u.s. commonwealth. much of saipan is without power and water. it was 70 years ago today that a man-made firestorm was unleashed on hiroshima, japan. 140,000 were killed. but the atomic bomb did spare u.s. forces the invasion of japan by forcing the empire to surrender.

a peace bell was rung to mark the anniversary. thousands attended. lanterns floated in memory of the victims. seth doane is in hiroshima. >> reporter: the scars of 70 years ago have been paved over in the rebuilding of this bustling, modern city, but the pain is still there. >> i am standing on the victims always i feel. >> reporter: so many people died here. >> yes. keiko ogura was eight years old when america dropped its atomic bomb a mile and a half from her home. >> we must be attacked by 100 bombs, we thought. >> reporter: it was just one, designed to stop world war ii and force japanese surrender. the intense heat from the explosion incinerated the center of the city and the wooden buildings in it. this was the only building left standing in this part of town, and it remains today as a stark

reminder of the def -- devastation. at the hiroshima peace memorial museum, director kenji shiga showed us everyday items that became artifacts. >> this is one of the things people want to come and see. >> reporter: a four-year-old boy was killed while riding this tricycle. it's grim evidence of the nuclear explosion. temperatures reached 7,000 degrees. shiga told us these personal belongings, including an incinerated school lunchbox burned by heat waves conveys how lethal and powerful the bomb was. today there are 16,000 nuclear weapons on earth, he said, so it's important to take another look at what happened here. it's difficult to tell the story, but you feel it's a story that must be told. >> must be told, because nuclear weapons will kill the future generations. >> reporter: this city straddles a desire to move forward and to never forget.

seth doane, cbs news, hiroshima, japan. >> pelley: turns out there is a reason some flights get delayed more than others. a stradivarius stolen decades ago is back with its rightful stewart. everyone was fair game. >> the only thing missing from this story in my kid fantasy is scott pelley's non-futuristic sense of style. yeah! >> pelley: when the "cbs

evening news" continues. when i started at the shelter, i noticed benny right away. i just had to adopt him. he's older so he needs my help all day. when my back pain flared up we both felt it i took tylenol at first but i had to take 6 pills to get through the day. then my friend said "try aleve". just two pills, all day. and now, i'm back for my best bud! aleve. all day strong and try aleve pm, now with an easy open cap. >> pelley: well, this won't improve your mood next time you're waiting to take off. it turns out the airlines often choose which planes get stuck at the gate. between january and may, more than 400,000 flights were delayed, and that's more than 19%. here's kris van cleave. >> reporter: the 90-minute flight from chicago's o'hare

airport to nashville, tennessee, was the worst-performing flight last year, not surprising to this man. >> we take this flight a lot. we're always delayed and we're always behind. it's a crapshoot. >> reporter: the flight is a recipe for headaches. the rout flies from an airline hub prone to delays. last year the delays came to or from o'hare. that's the case for 17 of the 20 worst-performing routes, and those regional planes make several stops a day. josh marks says there's a reason for all the delays on short-haul regional routs. >> that's because those regional aircraft are smaller planes. there are fewer number of people that the airlines have to reaccommodate. >> reporter: inside united airline's network operation center in chicago, everyone from maintenance to meteorology is working to keep 5,000 flights operating as on-time as possible. >> our key hubs are great. >> reporter: the airline tries to anticipate travel problems but acknowledges some planes get an advantage. do certain types of flights get

a preference if push comes to shove? >> just by the length of the flight and the nature of the flight, you're going to see the international flights will get priority, but ultimately we're looking at customer connections, we're looking at the crew connections. we're looking at the aircraft flows and balancing all of those types of things. >> reporter: since 1980 the seating capacity on regional jets has increased 168%. that as the industry as a whole has been reducing capacity of late. scott, in 2013, about one quarter of all domestic airline passengers were flown by regional airlines. >> pelley: kris van cleave in washington's reagan national tonight. kris, thanks. bill cosby will have to testify. that story is next. get the protein you need. each serving has 15 grams of protein to help maintain muscle, plus 26 vitamins and minerals including calcium and vitamin d to support strong bones. boost high protein is the #1 selling high protein complete nutritional drink and it has a great taste-guaranteed!

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>> pelley: jon stewart won't be around to comment on the republican debate. he's taped his final "daily show," the end of 16 years of razor-sharp satire. >> this is "the daily show with jon stewart." >> the world is demonstrably worse than when i started. have i caused this? i'm a new member of this family, your family, and i'll be here for you every night. >> i think what the "daily show" did is start commenting on the absurdity of the culture and the hypocrisy in media and government. >> i'm going to try and download every movie ever made, and you try to sign up for obamacare, first. >> okay. >> jon stewart is not afraid to punches. >> i can't reconcile the brilliance and knowledge that

you have and the intricacies of the market with the crazy [bleeped] i see you do every night. >> i felt uncomfortable for the guy because you know he's going to get skewered. >> you gerrymander these clips like crazy, clip, clip, clip, clip, clip. >> gerrymandered? are you saying i have redistricted my clip? >> i felt like his interviews did not have the tone of i'm attacking you, more like i'm trying to understand. >> i think i know why you're here. let me just deflate the tension right off the bat. apology accepted. >> is he an equal opportunity insulter? >> you bet he is. >> you ran on very high rhetoric, hope and change, and the democrats this year seem to be running on, please, baby, one more chance. now, this is our first show since the tragedy in new york city. >> 9/11 was such a world-changing event, and there was such a blanket of sadness in

this town. we looked to those guys to comment on how we're feeling. >> a lot of folks have asked me, what are you going to do when you get back, what are you going to say, geez, what a terrible thing to have to do, and i don't see it as a burden at all. i see it as a privilege and... >> i think what september 11th did on an emotional level is what happens at any time when the comedian lets the wall down. >> jon's humanity is the thing that's really going to be missed. it cannot be replaced. >> nothing feels better than making you laugh. >> i'm really amazed by what you did here. it's really like one of the great comedy accomplishments of all time that you did. >> very nice.