Walk into virtually any elementary school classroom and pose the general question "What do you want to be when you grow up?" and chances are you'll be greeted with shouts of "President of the United States!" "Miss America!" and "I want to be in the NFL!"
For most of us, though, reality usually sets in around the same time as puberty, and we realize that our odds of becoming the next Peyton Manning are about as slim as our odds of bypassing the awkward pre-teen phase we've found ourselves in.