Root Beer Journal IV: Virgil's

I'm really bummed that I missed National Root Beer Float Day last week, but that notion does bring up the question of what kind of root beer would you use to make a float. After all, one needn't cook with the best wine; that would be a waste. (I mean, you can if you want, but still.) To make kir, you use a few drops of cassis in aligoté, an inexpensive …