The highs and lows

Forget the Celtics, the Lakers, or even the Bulls. The NBA's greatest dynasty -- the Stern Dynasty -- marks 20 years next month. David Stern became commissioner of the NBA on Feb. 1, 1984, succeeding Larry O'Brien. Stern has had the longest tenure of the four commissioners in NBA history (along with Maurice Podoloff, J. Walter Kennedy and O'Brien) and presided over the greatest growth and success of the NBA. But it hasn't always been a slam dunk. Here's a look at David Stern's top 10 successes -- and failures.

Sam Smith, who covers the NBA for the Chicago Tribune, is a regular contributor to ESPN.com.