You know what they say about friends in Washington: If you want one, get a dog. Barack Obama is pretty popular as Presidents go, but just in case, he has added a cute little bundle of fur to his Administration. Wise is the leader who plans ahead.
For thousands of years, dogs were drones in the human economy: hunters, herders, security guards, pest-control specialists. But unlike blacksmiths and journalists, dogs have made the most of a changing economy. By finding a truly recession-proof niche--unconditional-love provider--they've gone from eating scraps and sleeping in the dirt to gourmet kibble and orthopedic beds. Turns...