On a recruiting trip to India’s tech hub of Bangalore, Alan Cramb, the president of a reputable Chicago university, answered questions not just about dorms or tuition but also American work visas. The session with parents fell in the chaotic first months of Donald Trump’s presidency. After an inaugural address proclaiming “America first,” two travel bans, a suspended refugee program and hints at restricting skilled worker visas widely used by Indians, parents doubted their children’s futures in the U.S.