In 1888 a mixed-breed terrier appointed himself mascot of America's railway postal service, accompanying mailbags throughout the U.S. and eventually traveling around the world. In this week's episode of the Futility Closet podcast we'll recount Owney's postal adventures and the wave of human affection that followed him.We'll also look at an Air Force pilot who dropped candy on parachutes to besieged German children in 1948, learn the link between drug lord Pablo Escobar and feral hippos in Colombia, and present the next Futility Closet Challenge.