I continue to think about the fault lines exposed by what has happened in Gaza, including the generational division on support for Israel. Political splits between old and young aren’t new. May 1968 in France was a split between college students and their elders and it was fierce and culture-changing. When I was in college Vietnam split America between the rising young and the generation that fought World War II. Splits aren’t new, but the one happening now is troubling in unique ways. For one, the anti-Israel, pro-Palestinian university students this time are reflecting a generation of indoctrination in higher...