How an unlikely friendship is saving cheetahs

Despite being the fastest animal on Earth, the cheetah has had a hard time outrunning its fate as the most endangered wild cat. But a new partnership between farmers and conservationist is having great success in Africa and in zoos across America, reports CBS News correspondent Don Dahler.Deep in the "Heart of Africa" exhibit at the Columbus Zoo, visitors gather every day to catch a glimpse of one of America's most popular animals - the Labrador retriever."The number one question up here, this $