Keeping wild black bears in Yosemite National Park away from humans is a constant battle.
Keeping wild black bears in Yosemite National Park away from humans is a constant battle. Bob Roney AP
Keeping wild black bears in Yosemite National Park away from humans is a constant battle. Bob Roney AP

Yosemite rangers try to keep hungry bears at bay

October 26, 2014 02:42 PM