The twice-a-decade congress of China's ruling Communist Party is a tightly choreographed event. So when former Chinese President Hu Jintao was guided off stage without explanation Saturday — as the world’s media looked on — questions spilled forth.
The speculation ran from a health crisis to an attempted protest by the 79-year-old former leader, or a political purge by current President Xi Jinping. Xi has previously gone after retired officials on corruption charges, though never one as high-ranking as Hu.
