The biggest tractor in the world, a Big Bud, is being fitted with new shoes - the largest agriculure tires in the world - in Clarion, IA on the show. Bob chats with Scott Sloan from Titan Tire, 4th generation Big Bud owner Nick Welker, and owner of the museum that Big Bud calls home - Terry Hillpiper. Along for the show today is market analyst Don Roose from US Commodities in West Des Moines. And we hear from our boots on the ground, Marshall Dolch from Syngenta.