While studying at Columbia University, Khalil helped lead pro-Palestinian protests on campus relating to Israel's war with Gaza. He was taken into ICE custody Saturday, and the Trump administration has said it wants to deport Khalil as part of a wider crackdown on what it calls anti-Semitic protests on college campuses — even though Khalil is a lawful permanent resident of the United States.

This episode: political correspondent Susan Davis, immigration policy reporter Ximena Bustillo, and senior national political correspondent Mara Liasson.

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