China handles Tiananmen anniversary with usual silence

By KEN MORITSUGU
BEIJING— Dissidents silenced. Security tightened. References scrubbed from the internet.
China imposed an information lockdown Tuesday on the 30th anniversary of its bloody crackdown on pro-democracy protesters at Tiananmen Square, a stark reminder that three decades later, the possibility of democratic change has all but evaporated.
Extra checkpoints and street closures greeted tourists who showed up before 5 a.m. to watch the daily flag-raising ceremony at the square in