.IF COLUMBIA COLLEGE'S head of state, Minouche Shafik, assumed that pro-Palestinian presentations would certainly diminish after she called in Nyc City authorities on April 18th, she was wrong. The outdoors tents are back and militants are emboldened: in the very early hours of April 30th they filled an educational institution building, barred its own doors and curtained a flag analysis "intifada" from its frontage. Since the start of the war in Gaza there have been objections at universities around America and also, at most of them, apprehensions. Pupils mention, sometimes appropriately and occasionally incorrectly, that they are actually exercising their free-speech liberties. What policies regulate objection as well as speech on grounds?