Leticia Jimenez expects to graduate from Cal State San Bernardino this spring with a degree in business administration. She came to the country without authorization when she was 2 years old and grew up working the fields of the Coachella Valley with her parents when school was out. She would be excited about the new opportunities her degree might present, but instead feels anxious every time she leaves the house. “I make sure that I say a good ‘goodbye’ to my parents,” she said. “I go out with more fear— anything can happen.” Jimenez, 21, is like millions of undocumented...