What image comes to mind when you hear the word barge? Most likely, an American will visualize a long low-slung cargo vessel situated on a river or the Great Lakes, dirty and loaded with coal or iron ore. The idea of a barge cruise may be reminiscent of an old black and white movie where the hero leaves home at a young age on a cheap tramp steamer to seek his fortune in the great world beyond. Or a barge cruise might bring to mind long-haired hippies of the 1960