Is the founder and head rabbi of the Hampton Synagogue an earnest Prince Hal, scion of a prominent Orthodox rabbinical family that is related to the Lubavitcher rebbe, striving to work on Jewish-black and, now, Jewish-Muslim relations? Or is he a ne’er-do-well who conspicuously consumes Hermès ties with the aid of generous donors and who made the tabloids last year when his marriage—his fourth—dissolved following revelations that he was having an affair? The tastefully named but less tastefully situated Marc Schneier is all this and more, as you will learn if you read senior writer Allison Hoffman’s definitive profile.