By John Solomon
How the government's punishing of the exposure of official wrongdoing can linger for years
While some may have been taken aback to watch quarterbacks Jay Cutler, Alex Smith and Michael Vick depart games with concussions last Sunday, one member of the NFL's Head, Neck and Spine Committee saw progress thanks to the league's return-to-play guidelines.
The results of an independent study commissioned by the NFL and the players' union show modern helmets meet all national safety standards, though it stressed that no helmet can prevent concussions and more studies are necessary.
