May 17, 1973 began an enthralling summer of reality television in Washington. That morning Senate Watergate Committee chairman Sam Ervin banged his gavel and launched hearings to investigate the details of the Watergate scandal, which had rocked the nation the previous June. Americans from coast to coast watched with great interest, trying to determine “what the President knew and when he knew it.” (Short answer: He knew a lot and he had known it for a long time.)