“I thought to myself that there are many Chinese who also want freedom and democracy,” she said. “But where are you? Where can I find you? If we meet on the street, how can we recognize each other?” At about 4 the next morning, she went downstairs from her dorm room to print some posters. She was nervous about running into other Chinese students, most of whom she would describe as “little pinks,” or pro-Beijing youths. She wore a mask to avoid cameras, even though she had seldom worn one…