Last week, Brown, Northwestern, and the University of Minnesota struck deals with small but loud groups of Israel-hating students: take down your disruptive protest encampments, and we'll agree to consider divesting from companies doing business with Israel. As corporate law professors who were involved in the successful campaign to reverse Ben & Jerry's Israel boycott, we see the universities starting to head down the same perilous path as the ice cream maker. The further they go, the more likely they will face the same kind of damaging backlash as Ben & Jerry's and its parent Unilever, or worse. The Ben...