FILE - In this Aug. 3, 1973, file photo, the Senate Watergate Committee hearings continue on Capitol Hill in Washington, with from left, Sen. Lowell Weicker, Jr; Sen. Edward Gurney, Fred Thompson, Sen. Howard H. Baker; Rufus Edmisten, Sen. Sam Ervin; Sam Dash, and Sen. Joseph Montoya. Testifying is Lt. Gen. Vernon Walters. (AP Photo/File)