Antitrust enforcers and its other defenders have never done a good job of selling their field to the public. That is not entirely their fault. Antitrust is inherently technical, and a less engaging discipline to most people than, say, civil rights or criminal law. The more serious problem is that when the general press does talk about antitrust policy it naturally gravitates toward the fringes, both the far right and the far left. Extreme rhetoric makes for better press than the day-to-day operations of a technical enterprise. The extremes are often stated in overdramatized black-and-white terms that avoid the real world subtleties that make science more fact-dependent but also more useful.Both extreme positions generally favor lower output...