ALLENTOWN, Pa. — Hookah smoke drifted through the restaurant as Elias Shetayh and Aziz Wehbey spoke intently about their support for President Trump, whose temporary halt on immigration from war-torn Syria — their homeland — had touched off a political firestorm. Nearby, a waitress carried out several platters of Mediterranean food to a large Arab American family. Trump is right, in a way, to do what he’s doing,” Shetayh said, discussing the executive order banning certain immigrants from entry into the United States. “This country is going into a disaster. Allentown and surrounding Lehigh County have one of the country’s...