Mahmoud Khalil, a recent Columbia graduate who is Palestinian, was detained by the Department of Homeland Security almost one week ago. Since then, Khalil, who is in the United States on a green card,

I was a student at Columbia University, where I covered tense campus protests over the Israel-Hamas war for the college newspaper and for POLITICO. So I’m familiar with Mahmoud Khalil, a former Columbia student who I’ve chatted with in the past and appears to be the first target of the Trump administration’s effort to crack down on student protesters.

All members of Congress swore oaths to defend the right to speak freely and assemble to petition for the redress of grievances. Why did so few of them sign this important letter?

Demonstrators from a Jewish group have filled the lobby of Trump Tower to denounce the immigration arrest of a Columbia University activist who helped lead student protests on the Manhattan campus aga