Tuesday on Michigan This Morning

Every year, runners spend 20 billion dollars on shoes…some costing up to $200 a pair. New research shows that the most effective way to run, may actually be barefoot. Since that isn't always practical, we'll show you some new ways to pick shoes in Discoveries and Breakthroughs at 7:47. Kaz and Corey take us to the Ina store for a look at the newest technologies for tractors and other farm machinery.