Last week, nearly 50 Venezuelan migrants showed up, without warning, on the wealthy island of Martha’s Vineyard. Their arrival was the culmination of a monthslong strategy by two of the United States’ most conservative governors to lay the issue of undocumented immigration at Democrats’ doorstep. How has this strategy played out and what has it meant for the migrants caught in the middle? Guest: Miriam Jordan, a national correspondent covering immigration for The New York Times.