Cranky, yet witty bouldering legend John “Verm” Sherman has lost his mojo and is jonesing to regain it. What better way than to climb the world’s most famous boulder problem, Yosemite’s iconic Midnight Lightning? He climbed it 25 years ago, but since then the climb has gotten harder and Verm’s gotten softer due to beerlust and a third-degree burning passion for bird photography. Standing in his way is his age (57), weight (200 lbs), dozens of injuries, and myriad health issues. Nevertheless, he’s stubborn and determined. Verm needs to save condors from extinction, and if leveraging his...