Constitutional lawyer Glenn Greenwald joins 'MediaBuzz' to discuss Columbia student Mahmoud Khalil facing deportation over his role in organizing anti-Israeli protests.

Protests erupted at Columbia University on Friday (March 14) as demonstrators demanded the release of student activist Mahmoud Khalil. Sherry Wolf, a union organizer said she was "horrified" by Khalil's deportation.

Newly-released video shows the moment U.S. Immigration and Customs Enforcement agents took legal permanent resident and pro-Palestinian activist Mahmoud Khalil into custody from his Columbia University apartment last weekend,

If the Trump Administration comes out on the wrong side of this fight, it will be because defending free speech remains a politically lucid and powerful principle.

A DHS official defended Khalil’s detention in an interview on Thursday but did not provide additional details for his arrest.

The Trump administration’s detention of a green-card holder who was a leader in the Columbia University protests against Israel has put a face on the debate over immigration and the limits of free speech, with a sympathetic twist: The man, Mahmoud Khalil, is married to an American, and they are expecting their first child next month.