my parents. the nfl relies, i think, on this mind-set for a good product. there s a lot of money at stakes. federal drug agents launched a surprise investigation into possible illegal use of painkillers. teams were suspected of dispensing illegal drugs to keep players on the field despite injuries. the league is working through a lawsuit, stemming from head injuries in retired players. the pressure is high for the nfl to deliver, but it still hasn t changed the game a bit. for more, let me bring in tarrance more, national sports columnist and professor at miami of ohio university. and also with us, professor cory abear at lsu health sciences. tarrance, this attitude, i think is prevailing in the nfl. i do. and i think it goes beyond that of being a good company man. what brings these athletes, especially this one, to the point of even thinking that way,