At a meeting on Monday with Xi Jinping in Beijing, Senate majority leader Chuck Schumer told the Chinese president that “the United States cannot sit idly by, and that we must address…intimidation of U.S. businesses operating in China,” according to a readout. After the meeting, Schumer, who was traveling with a bipartisan delegation of senators, boarded a plane to continue his Asia tour.  For some foreign business people, it’s not quite so easy to leave China these days. Instead