Bret Stephens: The Politics of Liberal Amnesia - 'Nancy Pelosi is "pushing back" against charges that she was aware of -- and acquiesced in -- the CIA's harsh interrogations of terrorist detainees nearly from the moment the practice began, reports the Politico Web site. Maybe she's suffering from amnesia. Maybe, for instance, the speaker doesn't remember that in September 2002, as ranking member of the House Intelligence Committee, she was one of four members of Congress who were briefed by the CIA about the interrogation methods the agency was using on leading detainees. "For more than an hour," the Washington Post reported in 2007, "the bipartisan group . . . was given a virtual tour of the CIA's overseas detention sites and the harsh techniques interrogators had devised to try to make their prisoners talk. "Among the techniques described," the story continued, "was waterboarding..."...'