Political commentator and American Spectator editor Daniel Flynn’s excellent biography of the late Frank S. Meyer arrives at an opportune time for conservatives. The movement is embroiled in internal disputes and has splintered into multiple factions holding many mutually exclusive positions. Today’s right must find agreement on fundamental principles, and those are exactly what Meyer, a longtime senior editor of National Review and founder or cofounder of multiple still-important conservative institutions, provided in the 1950s and ’60s.