A delegation of the People’s Liberation Army, the largest group of Chinese military officers ever to visit the United States, recently toured the Pentagon and other U.S. defense facilities. Part of their mission was to further erode and finally end the congressional ban on weapons and technology sales to China imposed after the Tiananmen Square massacre of peaceful demonstrators on June 4, 1989.

(China’s brutal crackdown remains the model for despots in Burma, Africa, Iran, Libya, Syria, and elsewhere.)