Demonstrations against the war in gaza are continuing at dozens of universities across the united states, with arrests taking place on multiple campuses. I spoke to robert cohen, a professor of Social Studies and history at New York University who has studied Student Activism about how these protests compare to others in us history. The protests, initially, going on now were much more moderate in their tactics, whether its 1960. Actually, the greatest upsurges in active American History occurred in may 1970 after nixon authorised the invasion of cambodia. He had promised to end the war, and he was expanding it into cambodia. So that created a lot of fury that was compounded by the massacre at kent state, where four students were shot by, were killed by the National Guard and nine were wounded. So that was much more confrontational. The war been dragging on forfive years. So, i mean, compared to that, the protests, for example, that started at columbia and then spread initially at nyu w