Stricken with ALS—aka Lou Gehrig's Disease—author of new book on Yellowstone gives MoJo interview to talk about park and stories that need telling

The rescue of America's national land mammal is considered one of the greatest conservation success stories ever and yet it's hard to find many wild herds on the map 

Founder of Patagonia joins former U.S. Interior Secretary and dozens of eminent scientists who say capital "W" essential to safeguarding wildlife in core of Greater Yellowstone