Known and Unknown: A Memoir Known and Unknown: A Memoir Known and Unknown: A Memoir is an autobiographical book by Donald Rumsfeld, an American politician and businessman who served as Secretary of Defense from 1975 to 1977 and again from 2001 to 2006 (among many other positions). He published it through Penguin Group USA in February 2011. It covers a variety of his experiences such as working as a Republican in the U.S. House in the late-1960s, serving in the Ford Administration during the Watergate and Vietnam crises, and serving during the George W. Bush Administration through the Abu Ghraib and Guantanamo Bay scandals. Rumsfeld
Rationale for the Iraq War Musab al-Zarqawi, whom Secretary of State Powell called a "collaborator of Osama bin Laden." Soon after the start of the war, however, evidence of such ties was discredited by multiple U.S. intelligence agencies, including the Central Intelligence Agency (CIA), the Defense Intelligence Agency, and the Defense Department's Inspector General's Office. A CIA report in early October 2004 "found no clear evidence of Iraq harboring Abu Musab al-Zarqawi." More broadly, the CIA's Kerr Group summarized in 2004 that despite "a 'purposely aggressive approach' in conducting exhaustive and repetitive searches for such links... [the U.S.] Intelligence Community remained firm in its assessment