barnum & bailey circus. >> so, get ready. "teen kids news" starts right now. >> welcome to "teen kids news." i'm mwanzaa. >> and i'm siena. here's this week's top story. social networking -- speak to any kid, and they'll tell you it's as much a part of their daily routine as eating dinner. speak to anyone from law enforcement, and they'll tell you that it can be an invitation for trouble. the internet is a two-way window. it allows us to research school projects and keep up with our friends. but social-networking sites also let outsiders into our lives -- outsiders who may try to kidnap, hurt, and even kill kids. and those dangers are very real. there are 665,000 known sex offenders in the u.s. that's more than the entire population of boston. and if that's not scary enough, listen to this. the fbi says 77% of all 14 year olds have been contacted by an internet predator. >> i was on a chat room, and somebody was on my friend's eydthhey and when they talked to didn't recognize me, and when i asked who they were, they said that

>> he's in the spotlight as the first african-american ringmaster at ringling brothers and barnum & baileyys tell people about circus life and especially here at the greatest show on earth is you don't play a ringmaster. you don't play a trapeze artist, you don't play a daredevil. you are these things and everything you do in your personal life centers around what you're going to do later that night or three times on saturday. >> it was the chance of a lifetime that suddenly appeared just after he graduated college. >> this opportunity to be the ringmaster of the greatest show on effort was prefrnsented to m. it was history. i thought this is a great pickup line. ringmaster. >> i think i fell in love as soon as i saw him. it's not only the person, it's when he's on stage as a ringmaster he takes care of the arena. he's so charismatic. yeah, he's amazing. but he's a great person too. >> jonathan's brazilian-born wife is a dancer and line captain with the show and they have two children and find the circus to be a wonderful and supportive home. >> the greatest thing about the greatest show o

say that was probably a publicity stunt and just remineses you of what p -- reminds you of what pt barnum said. >> one born every minute. >>> justin bieber takes over mexico city. >> lady gaga suffer as serious bump on the head. teresa garcia has those stories and more at this look at entertainment. >> reporter: lady gaga board add plane out of new zealand after the latest stop of her born this way tour. the pop star completed the final performance even after getting a concussion on stage. gaga was in the middle of the concert when one of the dancers accidentally slammed her with a prop. after a quick break she came back and finished the show. justin bieber played to a massive crowd in mexico city. the pop star gave a free concert monday night in the central square attracting a crowd estimated at more than 200,000. most of the fans were teenage girls, many of whom missed school and camped out to see him. walt disney studios announced it's launching a special exhibit showcasing tim burton's newest creation. the show takes fans behind the scenes of franken weany which opens in theaters in o

where he became the proprietor of the plush hotel the indian queen, which he later sells to david barnum in 1819. around 1822 he moved to washington, d.c. and opened the franklin hotel in 1823 and later at the pinnacle of his career builds the national hotel where he entertained presidents such as andrew jackson, hosted congressmen and welcomed various foreign dignitaries. the national was host to a flurry of balls, galas, and meetings of washington's elite. john gadsby moved into the upper echelons of society by announcing his retirement from the hotel business and acquiring decatur house in 1836. he then continued the entertaining he was well known for as a hotelier. he died in 1844 and bequeathed 17 enslaved people to his wife, proby gadsby. his son, on the other hand, leaves little in the historical record. williams gadsby was born in 1810, presumably in baltimore. it is possible he opened a cigar and fine goods shop when he was 19 in 1829, and later when his father retired in 1836 he took over the national hotel. in 1844, soon after his father's death, he sells the national hotel an

barnum said you know there's a sucker born every minute you can do the same con five minutes later or look at the i.p.o. facebook the same pump and dump. again and again and again where you say this con works over and over well here's from december twenty fourth two thousand and eleven short change con makes stop and worthington so this is a worthington minnesota right before christmas some guy pulled into a station shop defrauded this woman of fifty dollars by using the short changed thing he confused the woman at the at the cash register and he she ended up fifty dollars short. the police say now keep this in mind when you're thinking of any news coming out of europe all the chaos panic the best way to avoid a short change con is to slow down says chris hill shine the police officer involved in the situation in minnesota if you have somebody trying to rush a transaction stop and focus on one transaction at a time they try to rush it along and get multiple exchanges going at once and that's where the confusion comes in perfect you've got these various funds in europe they're all usin

barnum. >> you you know what gets me? i was in chicago a couple of weeks ago. it in new york. he does it and las vegas. he is a brilliant businessman. >> he is a great promotor. he promotes himself really well. you have to give them credit for that. >> is he a nice person? >> you know, you never know with him. he will turn on you on a dime if you say something against him. and he will say -- i made a couple of jokes about his hair. he doesn't like that. he doesn't like it when women do it. it's okay when men do it. maybe his ego gets bruised when a woman does it. he wrote in his book i had no tall he wouldn't. he will say things like that. he will go off and hit you below the belt. look what he did to rosie o'donnell. it was below the belt. she also, you know two of them got into it. it wasn't she was completely without any kind of fault but he we want back with like 14 guns. you shoot him with a bb gun and he comes back with an uzi. >> do you have any idea what they are doingyou are going to do on the show tonight? >> this is like flying by the seat of your pa