A day after at least 250 people protested at Federal Plaza the arrest and possible deportation of Mahmoud Khalil, civil rights groups in Chicago called for his release.

I talked with Columbia student activists. Here's what they said about Khalil—and what politicians are getting wrong.

Mahmoud Khalil, a Palestinian born in Syria, is fighting deportation while being held in an ICE facility in Louisiana.

The Department of Homeland Security has accused Khalil of “leading activities aligned to Hamas, a designated terrorist organization.” ...