The current administration wants to go after protesters using an obscure Cold War-era statute.

The detention and attempted deportation of Khalil is a test by Trump to see how far he can go—and a test for us to see how hard we will fight back.

When protests over the Israel-Hamas war took root on Columbia University’s campus last spring, Mahmoud Khalil became a familiar, outspoken figure in a student movement that soon spread to other U.S. c