Why America’s Israel-Palestine debate is broken — and how to fix it

You may have heard of Shai Davidai, the Israeli professor at Columbia University who has launched a crusade against the school’s pro-Palestinian protestors.

He’s rocketed to fame by calling students terrorists, comparing himself to Jewish victims of Nazi Germany, and demanding the National Guard forcibly break up the student encampments. After the NYPD stormed Columbia’s campus on Tuesday night, arresting hundreds of students, he retweeted a message blaming the events on “a circus of narcissists, egged on by irresponsible faculty.” (Indeed.)

Davidai, like many of the loud pro-Israel voices in the national debate, is casting blanket aspersions on students who...