(BARDARASH, Iraq) — For months, every time Turkey threatened to invade northern Syria, Salwa Hanna told her husband they should take their children and flee from the border town of Kobani. And every time, he told her not to worry, because the Americans were there. Now the Christian family is among an estimated 160,000 Syrians who have fled Turkey’s offensive, which began last week after President Donald Trump announced he would move U.S.