Students at Harvard and the University of California, Berkeley, learned a new lesson this week: They can get what they want in life by being obnoxious and disruptive. On Tuesday, pro-Palestinian protesters packed up their tents at Harvard — not because the school told them to, but because administrators caved to their demands. The school capitulated, reinstating suspended students and agreeing to conversations about establishing a Palestinian Studies program and divesting the Harvard endowment from Israel. In return, student protesters “democratically voted” to end the encampment, which lasted 20 days on Harvard Yard. Across the country, UC Berkeley’s “Free Palestine...