June 13 – The New York Times begins publishing the Pentagon Papers – the Defense Department’s secret history of the Vietnam War. The Washington Post will begin publishing the papers later that same week.
September 3 – The White House “plumbers” unit – named for their orders to plug leaks in the administration – burglarizes a psychiatrist’s office to find files on Daniel Ellsberg, the former defense analyst who leaked the Pentagon Papers.
June 17 – Five men, one of whom says he used to work for the CIA, are arrested at 2:30 a.m. trying to bug the offices of the Democratic National Committee at the Watergate hotel and office complex. Post Story