Summer sale: Save 58%

Kevin C. Brown

In this Wednesday, Sept. 7, 2016 photo, Leo, a Syrian brown bear, cools off in a pond at the Orphaned Wildlife Center in Otisville, N.Y. (AP Photo/Mike Groll) (AP)

The curious case of the disappearing grizzly bears: For endangered species, the road to recovery can be bumpy

Peter Alagona, Kevin C. Brown