You've never been on a trip like this. Homer's "Odyssey"? Twain's "Innocents Abroad"? Steinbeck's "Travels With Charley"? Combine them with "The Ugly American", and you might have a tiny idea of what it's like to travel with the Beldens. George and Helena Belden, along with their willing and wide-eyed companion Bob Geiser, have spent the first decades of the 2000's looking at the world with a powerful sense of wonder and though the bottom of pint...