“When Lindbergh wrote proudly of “our inheritance of European blood,” when he warned against “dilution by foreign races” and “the infiltration of inferior blood” (all phrases that turn up in diary entries from those years), he was recording personal convictions shared by a sizable portion of America First’s rank-and-file membership as well as by a rabid constituency even more extensive than a Jew like my father, with his bitter hatred of anti-Semitism—or like my mother, with her deeply ingrained mistrust of Christians—could ever imagine to be flourishing all across America.”