Livestock guardian breeds help keep bears away from farmyards
                                
                                
                                    (Newser) -
                                    Grizzly bears, once nearly wiped out in the lower 48 states, are making a comeback on Montana's plains. And as their numbers rebound, they've developed a taste for the easy pickings found on local farms—grain, apples, chickens, and even calves. This new proximity is unnerving for...