Leaders of both sides in the debate on the Panama Canal treaties, scheduled to come to a vote on Capitol Hill in Washington on April 18, 1978, examine a roster of their fellow senators on the day of the historic vote. From left are: Minority Leader Sen. Howard Baker Jr. (R-Tenn.), Sen. Paul Laxalt (R-Nev.), the leader of the opposition to the treaties; Majority Leader Sen. Robert Byrd (D-W.Va.), and Sen. Frank Church (D-Idaho), floor manager for the treaties. (AP Photo)