He debates people with real interaction, not a propaganda approach.
He uses data and facts.
Seems overall to look at things from a balanced perspective.
He acknowledges that opposing viewpoints are legit, and posits that the systems work better in dynamic opposition (a balancing of power/ action).
He maintains his composure and articulates himself without being aggressive.
I agree with some conservative viewpoints. I agree with some liberal viewpoints. Not so much further out from the middle.
My oldest friend in Olympia, age and longest standing, is very conservative. We agree on a fair bit in the big picture and in ideals, though we differ in our view of the world.