How NASCAR Found Out Shane Hmiel Was Smoking Weed | Part 1

If you only know how Shane Hmiel's story ended, this is how it started. Shane Hmiel joins Dale Jr. to talk about growing up in the Roush Racing shop around Mark Martin, winning 164 go-kart races as a kid, and the Goody's Dash win at Darlington that put him on the map in Part 1 of this exclusive sit-down.