Constant changes are imperative.(By the numbers)(Joe Gibbs)

Those of you who follow pro football know there's quite a bit of excitement around the Washington Redskins. Joe Gibbs, the last coach to lead the team to a championship, will be returning this fall, 11 years after he left to establish his NASCAR career.

It's been my privilege to work with Joe on a number of occasions, and I'm looking forward to seeing how he tackles this latest challenge. As Joe has said, "The game changes 30 percent every year. If you're not changing 30 percent every year, you're falling behind." Joe knows how to deal with change, and I have every con