But he knew people and he was head writer for Have Gun Will Travel, and if you took those early Star Treks that we did and put us in a western wardrobe and put us on wagon train going west, we can say the same lines.
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.
In my experience it's not essential to get on with the person that you're acting opposite.