Richard Milhous Nixon, the 55-year-old former vice president who lost the presidency for the Republicans in 1960, reclaims it by defeating Hubert Humphrey in one of the closest elections in U.S. history 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.