.IF COLUMBIA UNIVERSITY'S head of state, Minouche Shafik, presumed that pro-Palestinian exhibitions would diminish after she contacted New York Area authorities on April 18th, she was wrong. The outdoors tents are actually back and militants are pushed: in the early hrs of April 30th they utilized a college structure, blocked its doors and also curtained a banner analysis "intifada" coming from its own frontage. Because the start of the battle in Gaza there have actually been actually protests at colleges around The United States and also, at a number of all of them, arrests. Trainees say, at times appropriately and also in some cases mistakenly, that they are exercising their free-speech civil liberties. What policies control demonstration and also speech on grounds?