Health of major sports leagues?
It's been a trying time for the commissioners of our biggest and most popular sports. The NFL is facing scary issues about player safety and player misconduct. Major League Baseball is still trying to rid the game of performance-enhancing drugs. The NHL is coming off a contentious player-owner labor dispute. The NBA is about to experience a changing of the guard with commissioner David Stern stepping down. And NASCAR has seen its track attendance and TV viewership decline. Which leagues are simply experiencing some temporary growing pains and which are in trouble?