'A Car Wreck Every Week': Football's Physical Cost
Pro football is a violent sport. No news there. But the effect of that violence became more newsworthy this week. A study commissioned by the National Football League shows that former pro players suffer from Alzheimer's disease or other forms  of dementia at a rate far greater than the general population. Guest host Jacki Lyden talks to ESPN's Howard Bryant.
Nurses wrote to <em>Talk of the Nation</em> on both sides of the debate over whether swine flu vaccination should be mandatory for health care workers.  Also, a former football player shared his history of injuries, including a game in which he couldn't recall the second half.