Richard Nixon and Daniel Patrick Moynihan at the U.S. Capitol Building in 1970. AP hide caption

itoggle caption AP

President Richard Nixon faced television cameras in the Oval Office on April 30, 1973 to announce the departure of his two closest assistants in the deepening Watergate scandal. CBS/AP hide caption

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Sept. 27, 1994: Then-House Minority Whip Newt Gingrich and other Republicans unveil their "Contract with America" at a Capitol Hill rally. John Duricka/AP hide caption

itoggle caption John Duricka/AP