Daniel Hsu, a U.S. citizen, fought for four years to escape China. The Seattle resident was barred from leaving despite having committed no crime, a pawn in a geopolitical game between two giant superpowers. Then earlier this month, just four days before a virtual meeting between President Joe Biden and Chinese leader Xi Jinping, Hsu was told to prepare to go home. He had less than 48 hours. “It was a total rush,” he told The Associated Press in a telephone interview from his home in Seattle. As he raced to visit his grandmother, pack his things, and travel to...