Don Taylor thinks "the essence of the progressive/liberal hubris is that we think we are smarter than everyone else" and "the essence of the conservative hubris is the belief that conservatives are more moral/noble/patriotic than others." The effect:

At their heart, both sources of hubris say that people with different views are illegitimate in one way or another. Someone who is illegitimate is not worth talking to, respecting, listening to, understanding, or even debating reasonably. Certainly not worthy of compromising with to solve the huge problems facing our nation. 

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