L. Jon Wertheim is the executive editor of Sports Illustrated.  A sports journalist with a passion for psychology and economics, he is the author of such New York Times bestsellers as Scorecasting (written with Toby Moskowitz) and You Can’t Make This Up (written with Al Michaels).  A huge sports fan, Sam Sommers is an experimental psychologist at Tufts University who studies the psychology of everyday life. He is the author of the critically acclaimed book Situations Matter. Less