The NASCAR NextGen car officially has one "regular" race under its belt at Fontana. What did we learn? Can we apply this to the upcoming Las Vegas race? What are some good bets for Las Vegas? All of this is answered and more on Stacking Dennys this week!Stacking Dennys is a NASCAR podcast featuring Jordan McAbee of Fantasy Racing Online and Nick Giffen (a.k.a. "RotoDoc") of The Action Network as the two discuss Fantasy NASCAR strategies and top bets for the upcoming race.