While the world’s attention is focused on a struggling Iraq and a rising China, a battle for the heart and soul of the Americas is being waged closer to home. A simplistic account might describe this confrontation as a tug of war between U.S. president George W. Bush’s vision and that of his self-appointed nemesis, Venezuelan president Hugo Chávez. Equally misleading are characterizations that describe the showdown as one between left and right, rich and poor, north and south. But this is not a battle between two powerful leaders or between ideologies of the left and right. The contest being...