Thomas Dewey had defeated this man.
This man rose to prominence as the head of a namesake "Senate Committee to Investigate the National Defense Program." His Vice-President, Alben Barkley, was nicknamed the "Veep." This President unsuccessfully vetoed the Taft-Hartley Act, attacked the "Do-Nothing Congress," and promoted his "Fair Deal." A Chicago Tribune headline falsely claimed that (*) Thomas Dewey had defeated this man. This President integrated the armed forces and entered the U.S. into the Korean War. For 10 points, name this President who authorized the use of atomic bombs in World War II.
This man rose to prominence as the head of a namesake "Senate Committee to Investigate the National Defense Program."
Harry S. {Truman}