but it's 2010 now and richard schlesinger tells us scientists say they can actually measure the mood of the entire nation through twitter. >> reporter: this is your country. this is your country on twitter, a minute-by-minute, color-coded pulsating "chronicle" of the country's mood based on words used in tweets, those quick electronic messages. red states are mad, the tan and green states are happy. we feel pretty good early the day, get mad later and happy again before bedtime. how many tweets did you study? >> about 300 million. >> reporter: 300 million? >> that's actually a very small number. >> reporter: oh. he programmed his computers to look for hundreds of happy words or sad words in tweets. words like "diamond, love" and "paradise" were considered happy. "funeral, rape and suicide" not so happy. we use the happiest words on sundays and get sadder as the week rolls on. tell me, where are we the happiest? where are we the saddest? >> so i can tell you that the happiest state consistently is hawaii. >> reporter: well, you don't need 300 million tweets to tell you that. in fact,

and as richard schlesinger reports, somebody did. >> reporter: what if you got a letter like this? "the work you sent us is quite terrible, please forgive the form rejection, but it would take too much of my time to tell you exactly how terrible it was." >> that's horrid! at least have the guts to look at the person in the face and reject them. that's just my opinion. >> reporter: would you ever in a million years want it in a book? >> i think i would be devastated. >> reporter: whether by e-mail or tweet, snail mail or text, everyone has gotten rejected. >> i've never written one but i've received some. >> reporter: bill shapiro has just released a book full of rejection letters. page after page of thanks but no thanks. photographer tony stamolis got one of the meanest letters in the book and was eager to share it. >> "i don't even know who you are or what you do. remove me from your e-mail list please." >> reporter: shapiro says brushoffs are turn-ons in prime time. carrie bradshaw got rejected by post-it note. >> "i'm sorry, i can't, don't hate me." >> reporter: tv shows like "t

with richard schlesinger this morning, we pay him a visit. >> ladies and gentlemen, the american legend, wayne newton! >> reporter: he's been filling the house in las vegas for 50 years. wayne newton is beloved by his fans. but if you get on his bad side, watch out. >> the kind of humor you're doing about me, pal, nobody does. i'll knock you on your ass. >> reporter: you said that to johnny carson. >> outright. >> reporter: later on sunday morning, visiting las vegas with mr. las vegas. >> osgood: don't need to go to las vegas to see the driving divas we'll be showing you this morning. you can find them just about anywhere, occasionally in the company of our rita braver. >> reporter: more women are riding motorcycles than ever before. joining a generation that's been at it for years. including 5-year-old gloria struck. what made you go into it? >> i didn't want to. my brother made me. >> reporter: later on sunday morning, they say any woman can ride a motorcycle. right? >> osgood: many are the celebritys who have written their life stories in their own words. few, however, have foreseen