Trump closes doors to immigrants, some US citizens open them

As news of immigrant parents being separated from their children at the border filled headlines last summer, Vivien Tartter became distraught.Tartter is one more of a small but growing number of U.S. citizens who have picked up immigrants from detention centers, driven them to bus stations and doctor appointments, shared meals with them or hosted them at their homes, sometimes for one night, sometimes for a full year.At a time when the nation seems starkly divided on who should be allowed to res