Bush and Abu Ghraib; U.S. Occupation of Iraq; Paul Volcker Biography, Pt. 1

Correspondents Mark Halperin and David Sanger comment on how the Iraqi prisoner abuse scandal and continued violence in Iraq has affected President Bush's administration and approval rating. Foreign relations experts Jeffrey Sachs and Walter Russell Mead debate America's continuing presence in Iraq and how soon we should leave. Economist Paul Volcker and journalist Joseph Treaster discuss Treaster's biography, "Paul Volcker: The Making of a Financial Legend."