Rep. Bill Post built his name locally as an entertaining, sometimes bombastic talk radio host who delighted in aggravating the left and affirming the right’s beliefs. These skills put him in a position to run for the Oregon Legislature, but it was in many ways his less prominent qualities that allowed him to be taken seriously as a potential lawmaker. Like many entertainers, his demeanor off the air was quite different—thoughtful, open-minded and willing to acknowledge . . .