The Final Solution to the Jewish Question: A Love Story for the Living By Dara Horn Simon & Schuster, 384 pages, $30 A few days after I started reading Dara Horn’s new book, I was called a “kike” for the first time to my face. It was a sunny afternoon and I was wearing my Newsguild shirt. A person on the sidewalk, deshabille, possibly collecting junk, asked what union I was in. Against my better judgment I engaged, believing them to be a fellow …