ABA, China - The monk reached into the folds of his red robe, pulled out a small notebook, and gently slipped from its pages a tiny photograph. The man in the creased picture was a relative. He used to be a fellow monk at the monastery perched in snow-wrapped mountains outside the town of Aba. Then a Chinese security officer killed him, the monk said. It is a sorrow that cannot be spoken of in public. A local government 'working team' visits the monastery often, looking for signs of discontent, according to monks there. Sometimes, they said, when returning to their living quarters from chanting or studying, the monks find a door busted in and possessions scattered after a search. The monk...