After graduating from the University of Pennsylvania Law School in 2015, Esperanza Franco headed south to the border, where she worked defending immigrants who faced deportation. Now she’s the one who might get kicked out of the country. Franco says her former employer’s mishandling of a work-visa application — she came here from Spain five years ago — has put her in danger of losing her legal status. She fears that in less than a month, she could end up being jailed in the same Arizona detention center where she has gone to visit clients. “I’m going through so much...