Over boos, Columbia University president notes Mahmoud Khalil’s absence at graduation

The head of Columbia University gave a commencement speech Wednesday acknowledging the absence of student activist Mahmoud Khalil, who was due to receive his diploma this week but is instead in a Louisiana jail facing deportation for his role in pro-Palestinian campus protests.The brief address drew loud boos and chants of “free Palestine” from some graduating students. Acting president Claire Shipman also alluded to the crackdown on foreign students by the Trump administration that has roiled the Ivy League school in recent months.