 In the early 1950s, he spent much of his time rebutting attacks by prominent public figures like General Leslie Groves, who claimed to have stopped providing Wallace with information regarding the Manhattan Project because he considered Wallace to be a security risk.In 1951, Wallace appeared before Congress to deny accusations that in 1944 he had encouraged a coalition between Chiang-Kai Shek and the Chinese Communists.In 1952, he published an article, "Where I Was Wrong", in which he repudiated his earlier foreign policy positions and declared the Soviet Union to be "utterly evil".