History is full of famous duos -- Romulus and Remus, Gilbert and Sullivan, Batman and Robin. But of all the prominent pairs over the ages perhaps my favorite is Ben and Jerry. That's because the ice cream produced by that Vermont institution is the closest to homemade of any store-bought brand I know. And what could be better during the hot summer months than a scoop of homemade ice cream? (Unless it's two scoops). Ben and Jerry notwithstanding, I think the best ice cream in the world is made in