To operate based on conviction and belief requires an acceptance that your actions could get you fired. This is different from pig-headed bravado, and it is different from putting the company at risk.
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.