♪ >>> live from america's news headquarters, i'm eric shaun.olice say the teen who opened fire inside a colorado high school was likely out for revenge. the boy went into the school with bombs and shouted the teacher's name. the school is just a few miles from the scene of the aurora movie theater shooting and columbine high school. >>> and the fbi arrested 50-year-old terry lo hen in kansas for planning to detonate a car bomb at the wichita airport. lohan work there had and used his employee access card to get on the tarmac. lohan has been under investigation for months after making violent threats of jihad to an undercover agent. i'm eric shawn with the latest news. now back to bulls and bears right here on the fox news channel. ♪ >>> oh, the weather outside is frightful. cars piling up, trees going down, delivery trucks stranded. and shoppers, many will be stuck at home this weekend with just ten more shopping days until christmas. we already know store traffic was down 22% during last week's mess. tracy, are retailers worried? should they b

. >> i'm eric shaun. joining us is dr. marc siegel, associate professor of medicine at nyu's langal medical center and author of the inin pulse. >> and whatever you ate or drank wrong, we're going to fix it up. dr. david samadi is here, too. chief of robotic surb iic surge. doctors, great to have you here. thank you so much. >> thank you. >> first, you begin with some of the biggest medical stories of the year. the first one is really a shocking study this year, predicting the number of people living with alzheimer's disease is expected to triple. triple, by 2015. dr. siegel, why so many more? and what can we all do about it? >> a lot of reasons and this is a well-known survey. they looked add 10,000 patients at rush institute and followed them for a decade. the reason for that, number one on the list is we're getting older. many more baby boomers like you and me, eric, and we're getting older. >> generation x. >> yeah, okay. sure, sure, eric, but the main thing is that, you know, most of these alzheimer's patients are goi

. >> i'm eric shaun. joining us is dr.el, associate professor of medicine at nyu's langal medical center and author of the inin pulse. >> and whatever you ate or drank wrong, we're going to fix it up. dr. david samadi is here, too. chief of robotic surb iic surge. doctors, great to have you here. thank you so much. >> thank you. >> first, you begin with some of the

. >> i'm eric shaun, it is a holiday tragedy today that is still ongoing, the national transportation board sending it's team of investigators that are here now. that is the train hit a bend known as the spinning devil curve, some passengers claim that the train was just going too fast. that will all be part of the investigation. new york city police commissioner raymond kelly talked about the continuing search for any more possible victims that could be trapped underneath those overturned cars. >> we have used our dogs, right on too mup of the train, we don want to discount it totally at this time, as it is most unlikely, but i can't say with absolute certainty that there isn't. >> it is a shocking and sad scene, and laura ingle is there live. >> this incident happened just after 7:00 a.m. this morning on the southbound hudson line train as it was approaching the station here in the bronx. i want to step aside to show you what is just down below us. we're up on a cliff in a neighborhood, but we have got a good advantage point of those cars that are tipped over on their side. one pass

. >> i'm eric shaun, it is a holiday tragedy today that is still ongoing, the national transportation team of investigators that are here now. that is the train hit a bend known as the spinning devil