b. rock o'breezy tells them it is hot? >> and the anti-obamacare side. >> i see you chose to sign up for obamacare. >> reporter: one group launched this creepy video with uncle sam taking over a woman's medical exam. it has over two million views. and the group is having opt-out parties telling people not to enroll. 40% of enrollees need to be young adults to keep premiums from going up. only nine states have said how many young people signed up so far, and none of them have come close to hitting the target. white house officials say that efforts to reach out to young people will intensify in the new year and insist past experience shows young people are most likely to wait until the last minute before buying health insurance. jonathan karl, abc news, the white house. >>> holiday travelers and last-minute shoppers faced major challenges as a dangerous storm bears down on the eastern third of the nation. record high temperatures and flooding hit areas around columbus, ohio. several seniors had to be rescued at a retirement home. temperatures will plunge in the 30s in ohio by tonight. >>> and in oklahoma city, sheets of ice tumbled off a roof, directly falling ont