George Will : American Czars

WASHINGTON -- In 1966, the price of eggs rose to a level that President Lyndon Johnson judged, God knows how, was too high. There were two culprits -- supply and demand -- and Johnson's agriculture secretary told him there was not much that could be done. LBJ, however, was a can-do fellow who directed the U.S. surgeon general to dampen demand by warning the nation about the hazards of cholesterol in eggs.

Johnson, the last president with a direct political.......