Jungle Journey: Living With an Isolated Amazon Tribe

`We're about three hours into a 10-hour boat ride up a tributary of the Amazon River when it really sinks in that we're entering a different universe. One of our guides is using a machete to kill a pair of poisonous snakes slithering around on the riverbank, right where I'd been standing moments earlier. And he's laughing about it. We're heading upriver to a place no reporter has ever been before: a remote jungle village, home to isolated Indians who, in many ways, live now as they have for...Full Story