By shifting the spectrum of debate, here's how America's rightward march has been normalized throughout history. From Nixon to Reagan to Gingrich to Bush to Paul Ryan and Chris Christie today, leaders who’ve shifted America to the right have been aided by moderating misrepresentations. In the case of Reagan, it was not just the man, but conservatism itself that received the flattering reinterpretation. That was a difference that mattered; it goes to the heart of why Reagan is the American right’s touchstone. But the more general process of misrepresenting and reinterpreting increasingly radical ideological figures as if they were normal,...