Richard M. Nixon was one of American history's most powerful figures. Recalling events etched in U.S. memory, this three-hour program explores a fateful mix of strength and weakness that made him president, and then brought him down. Events revealing Nixon's distinctive signature in American politics, from a meteoric rise to Congress to the presidency and the morass of Watergate, unfold in three parts: The Quest, Triumph, and The Fall. This is the third of three parts.