George Bush, candidate for the Republican nomination for the U.S. Senate, gets returns by phone at his headquarters in Houston, Saturday, June 6, 1964 as his wife Barbara, beams her pleasure at the news. Bush was leading his opponent Jack Cox in the run-off primary. Bush will face Sen. Ralph Yarborough (D-Tex) in the November general election if his lead holds and he is the winner. (AP Photo/Ed Kolenovsky)