.IF COLUMBIA UNIVERSITY'S president, Minouche Shafik, believed that pro-Palestinian demos would diminish after she called in New York Area cops on April 18th, she was wrong. The tents are back and also militants are inspired: in the very early hours of April 30th they occupied an educational institution structure, blocked its doors as well as draped a flag reading "intifada" from its own frontage. Considering that the start of the battle in Gaza there have been objections at colleges across The United States and, at many of all of them, arrests. Students mention, sometimes rightly as well as sometimes wrongly, that they are exercising their free-speech legal rights. What policies govern protest and also pep talk on grounds?