It has been said that everyone in America is firmly planted in red or blue--permanently conservative or irreversibly liberal. But are we all really that locked in to the left or the right? A lifelong liberal, John Moe was determined to find out. So he reset his radio dials from NPR to Rush Limbaugh, joined some of today's most influential conservative thinkers for a series of "conversion sessions," made pilgrimages to the Ronald Reagan and Richard M. Nixon museums, and spent the Fourth of July in the most Bush-friendly county in the country, in an attempt to discover if there was actually...