U.S. envoy in fight against Islamic State quits after Syria pullout

Brett McGurk, U.S. special presidential envoy for the global coalition to defeat the militant group, submitted his resignation effective Dec. 31 to Secretary of State Mike Pompeo on Friday, a State Department official said.In an abrupt policy shift, Trump announced on Wednesday that Washington would withdraw the roughly 2,000 U.S. troops in Syria, upending a pillar of American policy in the Middle East and alarming U.S. allies.The decision was followed on Thursday by the surprise departure of U.