Last summer I spent a week hiking along the Appalachian Trail through my home state of New Jersey with three of my sisters. As could be expected, we met many interesting people along our hike. Our encounters ranged from pot-heads to rugged adventures, and even included a couple convinced they were playing out a real life version of The Hunger Games. Perhaps the most intriguing of all were a group of veterans hiking the trail as part of a program called Warrior Hike.