HOMEWOOD - Before the threats to burn it down or paint it blood red, the cabin nestled in the woods on Tanager Drive near Lake Tahoe was clearly owned by bear lovers. The front door featured a bear artfully etched in glass. A wood-carved bruin had a cherished place in a bedroom. And on the hour, when a cuckoo clock chimed, bears circled a merry-go-round and bobbed on a teeter-totter. Then, three real bears -- a mother and two cubs that had denned under the house -- busted in while Russ and Diane Tonda were away, ripping furniture, defecating on...