Looking at the puzzling investigation into who erased 18.5 minutes from Nixon's White House Tapes as we cover the Missing Watergate Minutes. In 1973, investigators requested tapes that could help unravel one of the most powerful political scandals in American history. When the recordings arrived, one contained a mysterious gap, with nearly twenty minutes of silence during a key conversation. The contents of that missing audio have never been recovered. Today, we examine the Missing Watergate Minutes.