.IF COLUMBIA UNIVERSITY'S president, Minouche Shafik, believed that pro-Palestinian exhibitions would diminish after she contacted The big apple Area police on April 18th, she mistook. The camping tents are back and also militants are emboldened: in the early hours of April 30th they filled a college property, blocked its doors as well as curtained a flag reading "intifada" from its own frontage. Considering that the begin of the war in Gaza there have actually been protests at colleges across America as well as, at most of them, arrests. Students state, sometimes appropriately and in some cases wrongly, that they are exercising their free-speech liberties. What policies control objection and pep talk on campus?