compared to a sport like football where we see much more traumatic injury. the problem is a lot of the injuries, even though there are few that we see in baseball are very serious. we see fractures. if the ball comes hurling at you whether you're a pitcher or a fielder, whether it hits your head, your chest, your arm, we see lots of fractures and head injuries, obviously we can see this type of a devastating heart injury where you then can't pump blood where it needs to get to until we can help you. arthel: i remember playing little league baseball, softball or the girls, and it seems like more and more these days the kids are bigger and bigger so they already have a lot of power to pack it. >> absolutely, absolutely, you know -- arthel: doctor i have to leave it there. i do appreciate your time and we'll talk to you next time. >> absolutely. thank you so much. jon: new questions about the president's healthcare overhaul, and whether it's hurting him in some key swing states. we'll get into a debate on that, plus when a gasoline tanker and a freight train collide, the