On July 20th, 2006, Tom Tilley of Waterloo, Ontario, Canada was on a canoeing trip with his dog, Sam. A predatory black bear stalked them during a portage. Sam, an American Staffordshire, warned his owner Tom of the bear’s presence. As the bear closed in, Tom’s dog Sam interposed himself between the bear and Tom. When the bear attacked Sam, Tom leaped on the bear’s back, Tarzan style, and killed the bear, using a hunting knife with a six-inch blade.Wawa is a township not far from Lake Superior, about 400 miles North and West of Waterloo. It is about a...