Schoep, the aged Bayfield, Wis., dog whose photo traveled around the world via the Internet, has passed away. He was 20 and had just marked a birthday last month. "Schoep passed yesterday," John Unger, Schoep's owner, announced on Facebook on Thursday. "More info in the days ahead." Unger and Schoep became Internet celebrities last summer because of Bayfield photographer Hannah Hudson's tender photograph of the pair in the waters of Lake Superior. Unger took Schoep into the chilly lake to ease the discomfort of the dog's arthritis. Hudson captured the image July 30 and posted it the next evening on...