the leading to the resignation of its presidents. lilian, my colleague, nick clark, spoke to melanie cameron, who is a professor of political science at harvard university. she explained in more detail, vince, which took place the controversy was offensively sparked because of a letter that a bunch of students produced, calling a blaming israel, a 100 percent for what happened. and that led to a series of events that are too complicated to go into. but basically what this did was invite a lot of extra and or forces into the university to target at. and so there's many factors involved here. certainly there are some who believe that there is rampant anti semitism on the harvard campus. others have used this as an excuse, frankly, a right wing group of politicians to try to exert control over harvard and other institutions, educational institutions. right. and how does that then affects academic freedom? i didn't get it from your point of view when you, when you're teaching, when you're lecturing your students, how does it impact you? do you have to take that into account? well, it is a major