By Wolf Blitzer, CNN
(CNN) - It’s not even a week since all U.S. troops have been pulled out of Iraq, but the situation there is quickly deteriorating. I don’t think it’s by any means out of the question that civil war is possible.
The terror attacks in the country Thursday were brutal – scores dead, many more innocents wounded. The pictures are horrendous.
Top ten YouTube videos of 2011 include a talking dog and Lady Gaga. CNN's Jeanne Moos counts them down.