The Joseph Kennedy portrayed in The Patriarch, David Nasaw’s magisterial new biography, didn’t dislike Jews per se. In fact, he rather admired the way they stuck together, looked out for their corporate interests and ultimately, in his view, trapped (or brainwashed) Franklin Roosevelt into allowing the United States to become embroiled in the fight against Nazi aggression. But he blamed “a number of Jewish writers and publishers” for trying to “precipitate a war with Germany.” While Jewish community leaders were desperately trying (and failing) to convince Roosevelt to intervene on behalf of the victims of Hitler’s repression (soon to be genocide), and to lobby other nations to do so, Kennedy—then ambassador to the Court of St. James’s—did everything in his power to frustrate these aims, believing that Nazi Germany’s treatment…