At the National Auctioneer Championships in Spokane, Wash., we find out just what makes a winning auctioneer. And I'm Audie Cornish. If you're a professional auctioneer, you know today is a big day.

With a history in the U.S. that spans more than 150 years, auctions are as American as apple pie and jazz music. With a history in the U.S. that spans more than 150 years, auctions are as American as ...