A grizzly bear broke into Tanyss Munro’s home, tearing down walls, ripping out the furnace and destroying her kitchen. The attack came in October, after a summer of spotting a number of bears on her property in Bella Coola, B.C. Munro said she and her husband warned local conservation officers that if they did not deal with the aggressive animals, someone could die. One month later, a female grizzly bear with two cubs attacked a group of teachers and 20 children from a nearby school...