I don't know much about proper kettle bell techniques. Neither does Jillian Michaels. I have an internationally respected fitness certification and 17 years' experience with free weights, yet I lack the audacity to pretend I am qualified to teach kettle bells. Jillian Michaels, on the other hand, is lacking in shame. At least that's what I thought until I realized Michaels is not actually a real fitness trainer — she's an actress playing the role of fitness trainer on TV and in a line of popular DVDs. It's analogous to Jesse Ventura's choice of a Gatling-style minigun to mow down...