Getty LOUDON, NH - SEPTEMBER 23: (L-R) Tony Stewart, driver of the #14 Code 3 Associates/Mobil 1 Chevrolet, and Kevin Harvick, driver of the #4 ditech Chevrolet, talk in the garage during practice for the NASCAR Sprint Cup Series Bad Boy Off Road 300 at New Hampshire Motor Speedway on September 23, 2016 in Loudon, New Hampshire. (Photo by Jerry Markland/Getty Images) Talk of Tony Stewart’s NASCAR return is gaining attention, but the plan still lacks clarity following new comments alongside