One of the pleasures of being a Jew, I don't have to tell you, it allows you anti-Semitism.
Freedom to differ is not limited to things that do not matter mush. That would be a mere shadow of freedom. The test of its substance is the right to differ as to things that touch the heart of the existing order.
I don't see a candidate on the scene right now, but it is going to have to be a candidate that people can look at as a leader and not as a man or a woman.