Watch: Solo Texas hiker walks behind bison that seem calm — until one charges (and gores) her

Texas hiker Rebecca Clark learned about bison the hard way (and lived to tell about it) when she thought she could speak softly while walking behind the wild creatures, camera in hand. At first the trio, in Caprock Canyons State Park, seemed like they didn't mind (unless you notice their tails whipping back and forth), but then, surprise! — Read the rest