Debate rages over the future of the Bonneville Salt Flats
For more than 100 years, the Bonneville Salt Flats have been one of America's most famous speedways. The salt that stretches for miles and miles in northwest Utah makes the place look like a different planet -- one that is uniquely suited to making vehicles go very fast. But today, the salt that is essential to racing is going away, and a bitter debate is raging over how that should be handled. Jeff Glor reports.