An Irishman moves to America. One Saturday, he goes to a local bar in his town. He sits down at the counter and orders three beers. The bartender brings him his three beers, which the Irishman then proceeds to sip one, then the other, and then the third, until they are all finished. He then pays his fare and cheerfully goes on his way. The Irishman comes back to the bar for the next few Saturdays, ordering three beers and sipping them in the same fashion. One Saturday, before bringing him his be…