A few years ago, as the Philadelphia Eagles prepared to challenge the New Orleans Saints, I witnessed a hot tub that had been retrofitted with wheels and a trailer hitch parked in the stadium lot. You see, in Philadelphia, my hometown, tailgating is raised to high art, taken every bit as seriously as cheesesteaks and Rocky. The guys in the hot tub—bravely shirtless in the sub-freezing temperature—were keeping warm with some sort of whisky cocktail.
Smart fans. Whisky, after all, is perfect for tailgating: It’s easy to pack, makes you feel warm, can be mixed into tasty drinks, both hot...