**FILE** President Richard M. Nixon is shown at his desk in the White House on Feb. 16, 1969. On Aug. 9, 1974, Nixon would go down in history as the only U.S. president to resign. (Associated Press)
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**FILE** President Richard M. Nixon is shown at his desk in the White House on Feb. 16, 1969. On Aug. 9, 1974, Nixon would go down in history as the only U.S. president to resign. (Associated Press)
