Ivy league graduates, an artist with millionaire parents and a woman honored by the Obama White House were among the hundreds of anti-Israel radicals who brought chaos to Manhattan commuters this week. They also included a Fulbright scholar, multiple NYU graduate students, a filmmaker for HBO and Netflix — and out-of-town protesters who gave cops home addresses as far away as Georgia and Florida. And after being arrested and released, the protesters were defiant on social media, with one gleefully tweeting photos highlighting her involvement and another boasting: “We’ll do it again.” The protests Monday were carefully coordinated by at...