Pentagon Papers
"Let the eye of vigilance never be closed."
-Thomas Jefferson to Spencer Roane, 1821.
Daniel Ellsberg is a former U.S. Marine and military analyst who precipitated a constitutional crisis in 1971 when he released the "Pentagon Papers." The papers comprised the U.S. military's account of theater activities during the Vietnam War. Ellsberg released top secret documents to The New York Times. His release of the Pentagon Papers succeeded in substantially eroding public support for the Vietnam War. A succession of related events, including Watergate, eventually led to President Richard M. Nixon's resignation.