It has been thirteen years since soldiers of the Chinese People's Liberation Army (PLA) raced into the center of Beijing, ordered to recover "at any cost" the city's most important landmark, Tiananmen Square, from student demonstrators. The U.S. and other Western countries recoiled in disgust after the horrific incident, and the relationship between the U.S. and China went from amity and strategic cooperation to hostility, distrust, and misunderstanding. Time has healed many of the wounds from those terrible days of June 1989, and bilateral strains have been eased in light of the...