Learning from the Pros: Spanx

Sometimes a great idea turns into a small business that can catch fire in the marketplace. That's the case for Sara Blakely, the woman behind the slimming undergarment phenomenon, Spanx. At 41, she recently became the youngest self-made female billionaire to make it to Forbes Billionaires List. We caught up with Sara awhile back to find out what she felt were the key elements to her success.