Desire for restrictions on refugees has caused blow back on the left___ President Barack Obama’s Syrian refugee program is driving a wedge through the Democratic Party, pitting liberal stalwarts against nervous Senate candidates and some senior lawmakers. With the White House scrambling to defend its resettlement program and Republicans pressing to “pause†or even eliminate it, liberals were alarmed earlier this week when third-ranking Sen. Chuck Schumer of New York expressed openness to a time-out on resettling Syrian refugees. Meanwhile, Democrats battling in competitive races from Ohio to New Hampshire to Nevada are voicing concerns with the vetting process for...