3rd problem bear from same mom’s littler euthanized at Tahoe

RENO — Are some bears just born to be bad? Or do they learn from other bears that raid garbage cans, break into cars and homes and eventually have to be killed because they’ve lost their fear of humans? Scientists have researched this classic debate over “nature” and “nurture” among black bears for decades, from Yosemite National Park in the Sierra to central Florida and the Adirondacks in upstate New York. Now, a notorious 19-year-old female bear at Lake Taho