In The Longest Road , one of America's most respected writers takes an epic journey across America, Airstream in tow, and asks everyday Americans what unites and divides a country as endlessly diverse as it is large. Standing on a wind-scoured island off the Alaskan coast, Philip Caputo marveled that its Inupiat Eskimo schoolchildren pledge allegiance to the same flag as the children of Cuban immigrants in Key West, six thousand miles away. And a...