>> pete: nypd arresting over 100 pro-hamas anti-israel protesters yesterday as more protests continue tonight. c.b. cotton joins us now from columbia university with the latest. c.b.? >> hi, good evening, pete. there have been protests happening both on and off campus today. we have watched droves of people make their way here to columbia university protests right outside the main gates to encourage the students behind me who are calling on the university to divest from companies connected to israel. and sever ties with israeli universities. we have heard songs, chanting, march from the students behind me. right now we are going to try to go in and see if we can hear more about these student demands, stay with me.