FAIRFAX, Virginia (Wired News) — Early one Sunday morning in 2002, a phone rings in Yu Ling’s Beijing duplex. She’s cleaning upstairs; her son is asleep, while downstairs, her husband, Wang Xiaoning, is on the computer. Wang writes about politics, anonymously e-mailing his online e-journals to a group of Yahoo users. He’s been having problems with his Yahoo service recently. He thinks it’s a technical issue. This is the day he learns he’s wrong…….