Not that this will convince anyone who denies or justifies it. From The New York Times:
A nonpartisan, independent review of interrogation and detention programs in the years after the Sept. 11, 2001, terrorist attacks concludes that “it is indisputable that the United States engaged in the practice of torture” and that the nation’s highest officials bore ultimate responsibilityfor it.
The sweeping, 600-page report says that while brutality has occurred in every American war, there never before had been “the kind of considered and detailed discussions that occurred after 9/11 directly involving a president and his top advisers on the wisdom, propriety and legality of inflicting pain and torment on some detainees in our custody.”
Read the document here.