Five Englishmen boarded a train just behind five Scots, who, as a group had only purchased one ticket. Just before the conductor came through, all the Scots piled into the toilet stall at the back of the car. As the conductor passed the stall, he knocked and called “Tickets, please!” and one of the Scots slid a ticket under the door. It was punched, pushed back under the door, and when it was safe all the Scots came out and took their seats. The Englishmen were tremendously impressed by the Scots’ ingenuity. On the trip back, the five Englishmen decided to try this themselves and purchased only one ticket. They…