of the specific cases and so forth. how much he didn't know is an open question. he says i was involved in it. i did understand it. in his memoir he was specifically asked was it okay to use these techniques on khalid shaikh mohammed when they captured him in 2003 and he says he thought about the widow of daniel pearl, the washington journal reporter who was killed and the 5,000 victims on 9/11 and his answer to george tenant was damn right. >> he was told about some of the details about torture and his word was he felt uncomfortable. >> he said when it was described for him detainee being chained to the ceiling and dressed in a diaper and urinating and defecating on himself, he expressed discomfort about this. he hasn't said it publicly. a few months later he gave that speech that you just showed in september of 2006 in which he actually sort of began to say we're going to end these secret prisons overseas and bring