What are the policies regulating objections on American schools?

.IF COLUMBIA EDUCATIONAL INSTITUTION’S president, Minouche Shafik, thought that pro-Palestinian demos would diminish after she contacted New York City police on April 18th, she mistook. The tents are actually back and also protesters are emboldened: in the early hours of April 30th they filled an university building, barred its own doors as well as curtained a banner analysis “intifada” coming from its front view. Since the begin of the battle in Gaza there have been protests at colleges around United States and, at many of them, apprehensions.

Pupils state, sometimes rightly and often wrongly, that they are exercising their free-speech civil liberties. What plans control protest as well as pep talk on campus?