.IF COLUMBIA UNIVERSITY'S head of state, Minouche Shafik, believed that pro-Palestinian presentations would decline after she called The big apple City cops on April 18th, she mistook. The camping tents are back as well as militants are actually inspired: in the early hours of April 30th they occupied an educational institution property, barred its own doors and also draped a flag analysis "intifada" coming from its frontage. Because the start of the battle in Gaza there have been actually protests at universities across America and also, at many of all of them, detentions. Trainees state, in some cases appropriately and also in some cases mistakenly, that they are actually exercising their free-speech rights. What policies control protest and also pep talk on campus?