A 25-year-old backcountry wanderer, Dan Bigley woke up one midsummer morning to a day full of promise. Before it was over, after a stellar day of salmon fishing along Alaska's Kenai and Russian rivers, a grizzly came tearing around a corner on the trail. Dan barely had time to register this before the bear had him on the ground with his head in its powerful mouth. All of his happiness was shattered by a mauling that left him blind and disfigured...