joan claybrook, joa president emeritus of public citizen, and david shepardson of detroit news. thank you both. >> thank you. blvrn >> woodruff: a classified report by the senate intelligence committee alleges that the c.i.a. misled the government and the public over aspects of it's interrogation program for years. a "washington post" story today based on interviews with those who have seen the document says that the c.i.a. concealed details about the severity of its interrogation methods, overstated the significance of plots and prisoners and took credit for pieces of intelligence that were already obtained from detainees before they were subjected to harsh techniques. we examine the details now with greg miller of the washington post. greg miller, welcome. the "newshour" received a statement from the c.i.a. a short time ago saying they are not going to respond to this report in "the washington post" until they get a final copy of the study from the intelligence committee. having said that, 6300-page report, why was the senate intelligence committee conducting this kind of stud