Huawei fights back against U.S. blackout with Texas lawsuit

HONG KONG/WASHINGTON (Reuters) - Chinese telecoms equipment maker Huawei Technologies sued the U.S. government on Thursday, saying a law limiting its American business was unconstitutional, ratcheting up its fight back against a government bent on closing it out of global markets.Huawei said it had filed a complaint in a federal court in Texas challenging Section 889 of the National Defense Authorization Act (NDAA), signed into law by U.S. President Donald Trump in August, which bars federal age