The tale of a rambunctious puppy is proving its staying power in the dog-eat-dog world of U.S. best-sellers. With more than 1 million copies in print, "Marley and Me -- Life and Love with the World's Worst Dog" has struck a chord with dog lovers who are laughing and crying over author John Grogan's account of his yellow Labrador retriever. The story is more than a recounting of Marley's antics that include chewing through doors, expulsion from obedience school, clawing paint off concrete walls, devouring furniture, swallowing valuable jewelry and swooning over soiled diapers. The excitable, good-natured lab also knows...