heidi zhou castro joins us from dealey plaza to tell us about the events scheduled there, and it is a huge event there as thousands are expected to attend. >> that's right. dell. as the ceremony is about to start, so is the sleet. a very cold and windy day for dallas. nothing like the bright sun shown over dallas in 1963, but as you can see this is not keeping the crowd at home. 14,000 wanted to be here today, they applied to be here, and only 5,000 were picked in a lottery, randomly to be here, and they are not letting this chance escape them to be here. no umbrellas are allowed for security reasons. the city of dallas is putting a lot of emphasis on making this event flawless after having gained the reputation of being, quote, the city of hate, following the assassination 50 years ago. this is a chance for the city to come full circle and show the world how far it has come. >> and heidi you did something fascinating earlier today. you showed us your perspective and where -- the book depository is. could you have your cameraman show us exactly how close that room is to where presiden

the place with heidi zhou castro is live now. heidi a solemn dais specially when the bells rang. >> absolutely. sdel, here the moment of silence followed by the bells was an emotional moment. the major of dallas saying that the sky as it rained was weeping with them. 50 years after president kennedy was assassinated here just steps from where i am standing by lee harvey oswald. but this was about the life pa -- and legacy of john f. kennedy. a committee of 25 people from dallas put on this event funded completely by private donations. >> you, lord have lifted us up from the horrible tragedy enacted in this place from the cruel suffering that was born on this hill, from the shock and horror that gripped our nation, and from the year when we has citizens of this city suffered and were implicated by the gunshot by one man. >> certainly a mournful experience here in dallas, remembering the 50th anniversary, including the mayor addressing the crowd about the reputation that dallas unfortunately gained as a result of that assassination

heidi zhou castro joins us with more. >> the buzz is everywhere you look, dell, especially here, we're right by the twitter-trading station. this is where 75 million shares have already exchanged hands today. passing through this suction and those guys who are making sure buyers and sellers communicate smoothly. i wanted to ask our guest for your help -- the dow is down at this moment, that is surprising. what do you think this will do for the stock market in general. >> there's two stories going on here. we have our economic data, and news out of the u.s., and then the twitter story, in time i think what we have seen is the economic data here in the u.s. is showing recover, the markets have proven that, and i think they are going to continue to trade higher, but with the ipo, it gives investors confidence in the market. >> and the people who are really interested in this is not just the public, if you are watching this today, would you get your hands on these shares now or would you wait? >> it's an interesting question, because you have the ipo process, and what you are investing in

our heidi zhou castro is here, why texas, why now? >> texas presents the greatest potential for this law to succeed. 6.4 million people in texas are currently uninsured. that's the largest pool of uninsured in the country. added to that texas has the greatest insurance rate for people, one in four people in texas are currently not insured. as for the timing, well, today obama is riding the up swing from some of the positive announcements of healthcare.gov improving. and i think he's just trying to refocus this conversation back to the people that this law is intended to help. about. >> but another big state. another republican state. what other challenges does he face in text? >> it's one one of the 25 states in the country that has chosen not to expand medicaid under the affordable care act. that leaves 1.5 million people who are the poorest of the poor who fall into this gap where they're not poor enough to get medicaid, but ironically they're too poor to qualify for the subsidies. the president is trying to put pressure on governor

heidi zhou castro is there. >> dell, actually 14,000 people applied to be here today in audience is. of those only 5,000 won the ticket through a random lottery, and as you can see from the crowd, this rain and this bad weather is not keeping people at home. the flags are already at half staff for the nation's 35th president, who's death many americans still see as a mystery. a recent gallup poll found that 63% of americans do not believe that lee harvey oswald acted alone. before lee harvey oswald could be tried, he was killed on live television. [ gunfire ] >> shot by jack ruby, a dallas nightclub owner. thus the scene was set for 50 years of suspicions and nagging questions. how could as oswald a withdrawn loaner be responsible for killing the most powerful man in the world? >> there was certainly a ambition on the part of the younger lawyers to find a spon sirsy. >> howard was one of those young lawyers investing jfk's death. the conclusion they reached, that oswald acted alone. >> obviously the commission was not flawless, and the members of the staff were not perfect, but every

heidi zhou castro in dallas, mark snyder there as well. mike viqueira covering events from the white house in washington, d.c., and with me in studio, david nassau, writing the book "any patriarch." how much as changed as we wait for that moment of silence? >> everything and nothing. we still have our visions. we still have our hopes, and we're not quite there. >> so at exactly 1:30 eastern time there will be a moment of silence, followed by bells that will ring. they have been observing this day in dallas, and looking forward to it now for the last 50 years as dallas has been known for years as the place where kennedy was assassinated, by dallas itself wants to move on. >> it's not fair entirely. a crazy gunman, could have been born and bred and performed his crime anywhere. it happened to be dallas. we are still, the day of the assassination, we -- we didn't know, but we know now. [ bells chiming ] ♪ america, america god shed his grace on thee ♪ ♪ oh beautiful for spacious skies, for amber waves of grain ♪ ♪ for purple mountain

zhou-castro. dallas. >> i talked to him about the moment kennedy was shot. >> i looked out the window to see the crowds that had gathered a moment ago, cheerful, happy to gather a moment in history. i saw women taking their shoes off and running in their bare feet or stockings. i'm assuming the policeman heard what might have been a ricochet. he almost fell off his motorcycle. i saw another policeman pounding his fist because he couldn't do anything about it. the first but from a car ahead, three shots were fired, he had the same number of shots fired than i did. and i found out where the president was, he was in parkland hospital. i saw mrs. kennedy just as i got there, she was in the lead pulling that stretcher with these hospital orderlies and they wouldn't let me into the hospital so i went upstairs to a second floor i commandeered the telephone. i called my office. >> let me stop you there. when did you get word that the president had died? >> i saw two priests about 20 feet away from me in t

. >> heidi zhou castro joins us with details. tell us what it was like to be there at the plaza on this day? >> reporter: sure, tony, it was grim with the rain and cold weather, despite that, 5,000 people gathered at the plaza just steps away from where president john f. kennedy was gunned down in 1963, and in the shadows of the depository to my right. now that building is where the sniper lee harry oswald sat in the sixth floor window there and took the life of john f. kenne kennedy. the catholic bishop of dallas gave the opening invocation. take a listen. >> you lord have lifted us up from the cruel suffering on this hill. from the shock and horror that gripped our nation, and from the years when we as citizens of this city suffered and were implicated by the gun shot by one man. >> heidi, this is interesting because the bishop alluded to how much suffering the city of dallas has gone through in these 50 years. >> reporter: right, after that day, tony, dallas earned the reputation as the city of hate because it set the scene, i

. >> heidi zhou-castro from our bureau, heidi, why texas, why now? >> the president said it himself. texas may be one of the most resistant states to the affordable care act, but also one of the states with the greatest potential for this law to succeed, if they tap into the wide pool of uninsured. and when it comes to the rate of uninsured in texas that's also the highest one in four people in texas not having health insurance at this moment. as for the timing of today, for the president's visit, well it follows on the heels of some good news for healthcare.gov. yesterday, that's when congressional committee heard from the center for medicaid and medicare that some of those technical glitches have been fixed and people can enroll almost with no errors, of course, almost being the catchy word there. >> what was the president's message, today, sign up? >> it certainly was. really a pep to be john for these volunteers who have been on the front line of these frustrations for the website. the president was also trying to refocus the attention away from

heidi zhou-castro. al jazeera, dallas. >>> michael eaves joins us here with sports and more information about the miami dolphins scanld scandal. >> miami dolphins own are stephen rolf said he was appalled with the hazing scandal hanging over his team and he plans to get to the bottom of the allegation that jonathan martin was being bullied by his teammates. he said he will meet with martin wednesday in los angeles. >>> novak djokovic maintained his title over rafael nadal in london. gives him his third career title at the season-ending event. >>> and just 17 years after it opened at the time summer olympics the atlanta braves are ready to leave turner field. a new stadium about ten miles from downtown in suburb awn cobb county. we'll hear more from the doll vins owner coming up a little bit later in the show. >> all right, michael thank you. >>> an al jazeera reporter found herself in a very dangerous situation fighting for her life. >>> and on this veterans day how america's newest vettes are getting a

we turn to heidi zhou-castro. >> john f. kennedy was gunned down 50 years ago. and the people of dallas did come out to mark the day with a solemn ceremony. a day that was grim and gray. ♪ >> under rainy skies, pomp and circumstance for a fallen president. thousands of people gathered at daly plaza where president kennedy was killed, 50 years ago. >> the past was never in the past. this was a lifetime ago. now, today, we the people of dallas honor the life, legacy and leadership, of the man who called us to think not of our own interest, but of our country's. >> historian david mccullough remembered the hope and promise that came with kennedy's presidency. >> he spoke to us in that now distant time past with a vitality and sense of purpose such as we had never heard before. he was young to be president. but it didn't seem so if you were younger, still. he was ambitious to make it a better world. and so were we. >> 50 years later, people in dallas recalled that terrifying day in 1963 and what it means to them now. >> i was 13 years old. so it was quite a coming

heidi zhou castro looks at the conspiracy. >> i emphatically deny these charges. >> before lee harry oswald could be tried for president kennedy's assassination, he was shot while on television. the scene was set for 50 years of suspicions and a nagging question. how could oswald, a withdrawn loner, be the one person responsible for killing the most powerful man in the world? and what could explain this strange chain of events. >> there was ambition on the part o of the younger lawyers to find a conspiracy if there was one. >> reporter: howard was one of those young lawyers assigned to support the warren commission charged with investigating jfk's death. the conclusion it reached ten months later that oswald acted alone and that no conspiracy existed. that analysis has been de rided and questioned ever since. >> obviously the commission was not flawless. and the members of the commission not perfect, but everyone put their energies wholly in the project. they had a determination to find out the truth. >> reporter: an important part of the investigation was this famous home movie shot

heidi zhou-castro, aljazeera dallas. >> women in need of abortion will probably just go out of state. >> virginia's undecided governor's race is probably heading for a recount. 117 votes out of 2 million votes cast puts the leader ahead. a candidate can ask for a recount if the winner is by less than 1%. that could delay the count until late december. >> the owner of the miami dolphins saying he is appalled by the scandal that involves two of his players, jonathan martin and richie incognito. his team and the nfl are trying to contain the cause that focus honest bad behavior in the clubhouse. we take a closer look. >> personally, i want to make sure that the type of racial slurs, harassment, you know, bullying doesn't occur in our team, locker room, because there's no room for that. >> that promise made by steven ross, ahead of last night's loss to the bucs in the wake of the allegations against richie incognito. the starting guard has garnered a lot of attention in recent years. >> on the field, players have called me overly aggressive. >> players and sports writers alike have named

. >> heidi zhou-castro on the flower, wearing the colors of the day. thank you very much. >> you're welcome. >> the twitter i.p.o. is going to make a lot of people very rich and happy soon. what happens when you have so much money, you don't know what to do with it? we talked to a man faced with that rather unpleasant problem. >> you'll find paul gross pounding the trails on his mountain bike. it's one of his passions and he can indulge as much as he wants. he retired from microsoft a senior vice president with stock options and more money than he ever expected. >> it's a dream come true growing up. everybody wanted to figure out how to make it. it was like the american dream and it was happening. it was fun. >> he spent money on cars, golf and travel and it left him uneasy. >> i was studying spanish. i planned to learn other things that didn't happen. i was more drawn to things with computers and things with making changes with people. i just wasn't feeling rewarded. >> he came here to social venture partners looking for the best way to make his life