The texts and calls came in night and day. From a daughter of an immigrant whose mother may have been summoned by U.S. Citizenship and Immigration Services. From a diabetic Somali man who didn’t know what documents he should carry to prove his citizenship while on his way to dialysis three times a week. “Is this letter real? Should I go to this appointment or could it get me detained? How do I safely reschedule while we verify it?” the caller…