The world is a bell curve. Classroom test scores, employee performance in a company or how many people really, really like you. No matter the population you're studying, they always fit neatly across the standard deviations of the famous bell curve.
If we care about the average working American, then Wal-Mart matters. A lot.
Money is a short-term result that incentivizes short-term decision making.
The cost of leadership is self-interest.
I love science fiction - always have.
Believing that your competition is stronger and better than you pushes you to better yourselves.