Tired of glaring examples of stupidity? Tonight Tonya Harding, Leif Garrett, John Enos and the rest of our celebrity cast leave the dumbness at home and instead showcase some of the very smartest (well sort of) inventions on the planet. A beer cooler you can drive, a hollowed-out golf club for 'relief' out on the links, and a bra that allows one to smuggle wine into fancy restaurants – plus 17 other earth-shattering innovations.