Young Jews Brace for ‘A Day of Global Jihad’

I was a deeply unpopular student at Columbia for a simple reason: I was a Zionist. When I posted photos on Instagram of swastikas graffitied across campus, I received private messages telling me I was “attention-seeking.” When I hosted pro-Israel events, commenters online accused me of blood libel. 

I left Columbia earlier this year in part because of th…