"Anyone who has read Jon Krakauer's Into Thin Air or has seen a recent photo of climbers standing in line to get to the top of Everest may think they have the mountain pretty well figured out. It's an extreme landscape where bad weather and incredible altitude can occasionally kill, but more so an overcrowded, trashed-out recreation destination where rich clients pad their egos--and social media feeds--while exploiting local Sherpas. There's some...