Scientists for the first time have cloned a dog. But don't count on a better world populated by identical and resourceful Lassies just yet.
That's because the dog duplicated by South Korea's cloning pioneer, Hwang Woo-suk, is an Afghan hound, a resplendent supermodel in a world of mutts, but ranked by dog trainers as the least companionable and most indifferent among the hundreds of canine breeds.
