FILE–Gen. Dwight D. Eisenhower, left, and Sen. Richard Nixon of California, 1952 Republican nominees for President and Vice President of the U.S., respectively, enjoy a good laugh at the Blackstone Hotel in Chicago, July 12, 1952. Eisenhower, who recorded a meeting in 1954 in which he chastises Nixon for campaigning too aggressively against the Democrats, fancied tape machines before he was president. (AP Photo/File)