Former Microsoft exec to sell the most expensive car at auction

The Ferrari 250 GTO is the considered to be the Holy Grail in collectible cars. This weekend, a Ferrari 250 GTO is expected to sell between $45M-$60M. Robert Frank talked to the seller, former Microsoft executive Greg Whitten, to see why he's selling the car, and what's been the better investment, Microsoft shares or a Ferrari 250 GTO.