nancy, great to see you, thank you. nancy lazar. piper sandler research. thank you so much. we'll be right back with, stay with us. ♪ maria: welcome back. breaking news this morning, columbia university administrators closing campus entry points, limiting access indefinitely to student residents and essential workers. this after what happened overnight, columbia protesters took over hamilton hall, an academic hall at columbia, barricading themselves inside just hours after of the university suspended students who refused to leave. also a happening this morning, police breaking up anti-israel protest it is at unc-chapel hill. and then in texas at ut-austin, law enforcement dismantling a large encampment, arresting at least 43 protesters who ignored ore orders to disperse if. if school administrators promising discipline after students refuse to leave by monday. joining me now is guardian group ceo ray kelly. ray, oring thank you so much for being here. and i know you have studied anti-semitism quite a bit in your career. give us your reaction to all this. >> well, tease are