In 1943, a confidential analysis by Isaiah Berlin of the Senate Foreign Relations Committee for the British Foreign Office described Pepper as: A loud-voiced and fiery New Deal politician. Before Pearl Harbor, he was a most ardent interventionist. He is equally Russophile and apt to be critical of British Imperial policy. He is an out and out internationalist and champion of labour and negro rights (Florida has no poll tax) and thus a passionate supporter of the Administration's more internationalist policies. He is occasionally used by the President for the purpose of sending up trial balloons in matters of foreign policy. With all these qualities, he is, in his methods, a thoroughly opportunist politician. Because of the power of the Conservative Coalition, he usually lost on domestic policy. He was, however, more successful in promoting an international foreign policy based on friendship with the Soviet Union. In 1946, Pepper appeared frequently in the national press and began to eye the 1948 presidential race. He considered running with his close friend and fellow liberal, former Vice President Henry A. Wallace, with whom he was active in the Southern Conference for Human Welfare.