In 1973, nearly a decade before the height of the Moral Majority, a group of progressive activists assembled in a Chicago YMCA to strategize about how to move the nation in a more evangelical direction through political action. When they emerged, the "Washington Post" predicted that the new evangelical left could "shake both political and religious life in America." The following decades proved the "Post" both right and wrong evangelical participation in the political sphere was intensifying, but in the end it was the religious right, not the left, that built a viable movement and...