U.S. Uighur bill's threat to surveillance economy puts China on offensive

China reacted angrily to President Donald Trump’s approval of legislation supporting Hong Kong protesters last month, but movement on another congressional bill, backing Uighur Muslims in China’s northwest, has cut even closer to the bone and could trigger reprisals and hurt efforts to resolve the U.S.-China trade war.U.S. congressional sources and China experts say Beijing appears especially sensitive to provisions in the Uighur Act passed by the House of Representatives