Ten tenors and a baritone were clinging precariously to a wildly swinging rope suspended from a crumbling outcropping on Mount Everest. Grasping the rope as tightly as they could, as a group they realized they couldn't all hold on much longer; they decided that one of the party would have to let go. If that didn't happen, the rope would break under their combined weight, and they would all perish. For an agonizing few moments no-one volunteered. Finally the baritone gave a truly touching speech saying he would sacrifice himself to save the lives of the others. The tenors were so moved, they all applauded....