A demonstrator holds a placard reading “vindication of June 4” during a protest in Hong Kong, China. The protest is part of events commemorating the 30th anniversary of the 1989 Tiananmen Square crackdown. (Photographer: Paul Yeung/Bloomberg)

Today’s U.S.-China Clash Began at Tiananmen Square

(Bloomberg Opinion) -- Next week will mark the 30th anniversary of the Tiananmen Square massacre, in which hundreds or perhaps thousands of students and pro-democracy dissidents were killed by the ...