What lessons has America learned from Watergate? Three decades after an infamous break-in helped topple President Richard Nixon, all the facts are still not in. But as this documentary shows, Watergate remains a nearly unbelievable tale of ordinary men corrupted by power-and their desire to keep it. Interviews with investigator Sam Dash, co-conspirator John Dean, and journalist Bob Woodward re-create the history and speculate on its effects.