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6th August 1974: US Representatives Edward Boland of Massachusetts (front), Jack Edwards (second from the front) and others sit at a long table and listen to the White House tapes, Washington, DC. The tapes furnished definitive proof of President Richard Nixon's participation in the Watergate scandal. (Photo by Hulton Archive/Getty Images)

6th August 1974:  US Representatives Edward Boland of Massachusetts (front), Jack Edwards (second from the front) and others sit at a long table and listen to the White House tapes, Washington, DC. The tapes furnished definitive proof of President Richard Nixon's participation in the Watergate scandal.  (Photo by Hulton Archive/Getty Images)