An Irishman walks into a bar in Dublin, orders three pints of Guinness and sits in the back of the room, drinking a sip out of each one in turn. When he finishes them, he comes back to the bar and orders three more. The bartender approaches and tells him, ""You know, a pint goes flat after I draw it; it would taste better if you bought one at a time."" The Irishman replies, ""Well, you see, I have two brothers. One is in America, the other in Australia, and I'm here in Dublin. When we all left h…