This story has been updated with new developments. Columbia University announced Monday evening that it has begun suspending students who defied a 2pm deadline to clear out of a pro-Palestinian encampment on the New York campus. The protesters, along with hundreds of their supporters, began to leave by 4pm, the New York Times reports; the university had not called in police. Several dozen students and about 80 of the original 120 tents in the Manhattan encampment remained, with a dozen faculty members outside—a few of whom said they would stay overnight to safeguard the students’ right to prot…