High Country News: I am haunted by a scene from about a week ago of young U.S. Forest Service firefighters taking a break at The Mazama Store, which I consider the best hang in the Methow Valley, just across the Cascades in central Washington state. They were such babies, so long and lean and fit, seemingly drowning in their impossibly large firefighting garb. In addition to soot and grime, they wore the look of thorough exhaustion that you see on the faces of new parents. And yet, with doors swung open on their...