By 1972 Richard Nixon had ended the Vietnam war, achieved diplomatic breakthroughs with Russia and China, presided over a period of economic stability at home, and was on the verge of a landslide re-election . . . until he decided to cover up a third-rate burglary. Watergate was one of the largest scandals in American history and two years later Nixon would resign the presidency--but with neither an admission of guilt nor any sign of remorse.