Are head injuries the reason Ben Roethlisberger is such a colossal jerk?
That's the theory floated by Sports Illustrated writer David Epstei n, in an interview with neuropsychologist Dr. Jordan Grafman -- Roethlisberger, after all, has suffered four concussions on the football field during his NFL career. According to Grafman, two particular behaviors are endemic to people with moderate or severe frontal lobe injury, or to people with more mild but repetitive injury: 1) violating social rules by saying inappropriate things, and 2) saying appropriate or typical things in an inappropriate context. "If you're married and you're flirting with another woman in an elevator with your wife next to you," Grafman says, "that's the kind of clearly inappropriate behavior." Roethlisberger is not married, but one man told me that Roethlisberger had asked out his wife while the man was present. Granted, as Grafman notes, "we all say inappropriate things sometimes," but "it's the frequency with which it happens,