Thousands of rabbis gathered Sunday in Brooklyn for its famous annual Chabad event — including hundreds on the front lines at some of the wokest, rabidly antisemitic campuses in the nation. Several rabbis who attended the photogenic event in Crown Heights and helm Jewish centers at liberal US colleges described to The Post how their campuses have been transformed into dangerous hotbeds of hate since the Hamas slaughter in Israel on Oct. 7. “It’s been disturbing, unnerving — it’s been a shock to students to see that kind of immediate chutzpah, where the demonstrators came out even before the blood...