Ronald McDonald was still grinning away, but other folks at the crowded eatery in Xi'an never got to finish their Happy Meals. On Dec. 16, a bomb jolted through the fast-food joint, sending patrons and Big Macs flying. The explosion killed two, injured 27 and stunned the entire city. "Things like this are supposed to happen in dangerous places, like the Middle East," says Liu Wei, a cashier who works in the same shopping complex as the town's only McDonald's. "I never thought it would happen in China."
Yet, just this month, four unrelated bombing incidents have shaken...
