. >> juju: junior chaya dreznik says she and her friends have been the targets of antisemitic vit rooel to observe a protest that was going on and they started targeting their chants toward us. they ended it off with "october 7th will be every day for you guys." >> october 7th. you see how many soldiers we got? yo, y'all got smoked. y'all got smoked. >> juju: one of the groups involved in the protests, the columbia university apartheid divest, said in a statement, "our movement is united in valuing every human life." >> we are against all forms of bigotry. we do not stand for that. we allow every single person into our camp. we do not reject people based on ethnicity, based on religion. we ask that everyone respects those community guidelines, to be respectful to the people around them. >> juju: student activism on colleges is stitched into the fabric of american history. from civil rights protests in the 1960s to the anti-vietnam war unrest that left four people dead at kent state university at the hands of the ohio national guard. with the weight of history on their shoulders, columbi