Mao Nixon

Chinese communist party leader Mao Tse-Tung, left, and U.S. President Richard Nixon shake hands as they meet, Feb. 21, 1972. Nixon's visit marks the first time an American president has visited the People's Republic of China. (AP Photo)

Chinese communist party leader Mao Tse-Tung, left, and U.S. President Richard Nixon shake hands as they meet, Feb. 21, 1972. Nixon’s visit marks the first time an American president has visited the People’s Republic of China. (AP Photo)