have a story in the current issue of National Review about the debate over re-imposing the Fairness Doctrine. Among the people I talked to for the piece was Rush Limbaugh, whose success is sometimes attributed, in part, to the abolition of the Doctrine in 1987. We talked about his years in radio before that time, when he, like other broadcasters, had to steer clear of controversial issues, lest he run afoul of the Doctrine. “My first job was in 1967,” Limbaugh told me. “Every station I worked at from that point forward up until the Doctrine was repealed lived with...