** FILE ** Presidential envoy Dr. Henry Kissinger, left, meets with Communist China's Chairman Mao Zedong, right, and Premier Zhou Enlai on Feb. 17, 1973, in Chungnanhai, China. Though the Vietnam War dragged on Kissinger told Zhou in 1972 that "if we can live with a communist government in China, we ought to be able to accept it in Indochina." (AP Photo/File)