Which Root Beer Is The Definitive Root Beer?

Root Beer is a sweetened carbonated beverage which, despite its name, has little to nothing to do with actual beer. Nonetheless, people throughout the world enjoy it so enthusiastically you could be forgiven for thinking it contains alcohol. And while there are dozens of different brands of the ol’ sarsaparilla, a handful of iconic sodas have been sitting at the top of the heap for the past century. But which one is the best?