chilling case. did the u.s. army ignore warnings from inside of an elite unit where soldiers are now accused of murdering afghan civilians. also, the question that moved a man to tears as he pleaded with president obama today, and you will see how the president was able to use it to slam his political opponents, and mr. obama s lengthy new interview in rolling stone magazines and scolds follow democrats, and scolds fox news, and we will talk about it this hour with arianna huffington and benstein. we want to welcome our viewer iin the united states and around the world. i m wolf blitzer and you are in i m wolf blitzer and you are in the situation room. captions by vitac www.vitac.com we begin with a follow-up of a disturbing story of american soldiers killing afghan civilians for sport. cnn has obtained video of these confessions of allegedly rogue