Last week marked an inflection point for American Jewish political conservatism, perhaps even a watershed moment. As Kevin Roberts, president of the hugely influential Heritage Foundation, defended Tucker Carlson's interview with Holocaust-denier Nick Fuentes – saying Carlson “always will be a close friend” – politically conservative Jews may need to confront an uncomfortable truth: They may have been building their political home on quicksand.The coalition that they assumed was based on Judeo-