We love gymnastics. It gets the highest ratings of any summer event. Every four years we fall in love with a new "America's Sweetheart." They get the Wheaties box. The team goes down in history.

Here's a great way to make some extra cash:

Remember watching When Harry Met Sally, and thinking to yourself "What the hell are they doing?" as you watched Billy Crystal in spandex walking fast and funny through Central Park with Bruno Kirby? That was racewalking, son.

Trampolining is not just for cute foxes in viral videos—it's a crazypants real sport that made its Olympic debut in 2000. As Canadian Karen Cockburn, the bronze medalist at those games, said after winning her medal, "A lot of people don't really know what trampoline is, they think it's a toy you jump on in the…