Yesterday on the Brian Lehrer Show, former senator Bob Graham denied that he was briefed by the CIA on the use of extreme interrogation methods when he served on the Senate Intelligence Committee. And House Speaker Nancy Pelosi says she was briefed, but was told the US wasn't using waterboarding. Jesselyn Radack, Director of Homeland Security for the Government Accountability Project, and Robert Baer, Time.com columnist, former CIA officer, and author of The Devil We Know: Dealing with the New Iranian Superpower, discuss who knew what when, and what it means.