A complete transcript was later entered into the Congressional Record by Senator Mark Hatfield .
A complete transcript was later discussed in the Fulbright Hearings in April and May 1971 , convened by Senator J. William Fulbright , chair of the United States Senate Committee on Foreign Relations .
A complete transcript was later entered into the Congressional Record by Senator Mark Hatfield , and discussed in the Fulbright Hearings in April and May 1971 , convened by Senator J. William Fulbright , chair of the United States Senate Committee on Foreign Relations .