of his life. Nuclear Test Ban Treaty Troubled by the long-term dangers of radioactive contamination and nuclear weapons proliferation, Kennedy and Khrushchev agreed to negotiate a nuclear test ban treaty, originally conceived in Adlai Stevenson's 1956 presidential campaign. In their Vienna summit meeting in June 1961, Khrushchev and Kennedy both reached an informal understanding against nuclear testing, but the Soviet Union began testing nuclear weapons that September. In response, the United States conducted tests five days later. Shortly afterwards, new U.S. satellites began delivering images that made it clear that the Soviets were substantially behind the U.S. in the arms race. Nevertheless, the greater nuclear strength of the U.S. was of little value as long as the U.S.S.R. perceived itself to be at parity. In July 1963, Kennedy sent W. Averell Harriman to Moscow to negotiate a treaty with the Soviets. The introductory sessions included Khrushchev, who later delegated Soviet representation to Andrei Gromyko. It quickly became clear that a comprehensive test ban would not be implemented, due largely to the reluctance of the Soviets to allow inspections that would verify compliance. Ultimately, the United States, the United Kingdom, and the Soviet Union were the initial signatories to a limited treaty, which prohibited atomic testing on the ground, in the atmosphere, or underwater, but not underground. The U.S. Senate ratified this and Kennedy signed it into law in October 1963. France was quick to declare that it was free to continue developing and testing its nuclear defenses. Domestic policy Kennedy called his domestic program the "New Frontier". It ambitiously promised federal funding for education, medical care for the elderly, economic aid to rural regions, and government intervention to halt the recession. He also promised an end to racial discrimination, although his agenda, which included the endorsement of the Voter Education Project (VEP) in 1962, produced little progress in areas such as Mississippi, where the "VEP concluded that discrimination was so entrenched". In his 1963 State of the Union address, he proposed substantial tax reform and a reduction in income tax rates from the current range of 20–90% to a range of 14–65% as well as a reduction in the corporate tax rates from 52 to 47%. Kennedy added that the top rate should be set at 70% if certain deductions were not eliminated for high-income earners. Congress did not act until 1964, a year after his death, when the top