Casting With Disaster

As we went digging into our pocket for some change this morning, we came up with a piece of currency sure to give the vending machine a case of indigestion: a 20 shilling coin from Kenya, a souvenir of our recent East African jaunt. Before tossing back the useless money in frustration, however, we noticed that its heads side featured the visage of Daniel Arap Moi, Kenya's reigning president when the coin was cast 11 years ago. And that got us thinking—how many nations mint coins featuring...