The plight of two tiny bear cubs who climbed an 80-foot tree to safety after their mother was killed elevates a question for Connecticut residents. What should be the relationship between humans and wildlife? The orphaned 4-month-old brothers, one 11 pounds, the other 13 pounds, now live at the renowned Kilham Bear Center in New Hampshire, where they will be carefully raised in preparation for a return to the wild. But their fate, at first,