It's perhaps the most crucial ingredient of organizational leadership, and you can't learn it in business school:
The stubborn determination it takes to get stuff done.
Small business CEOs must cultivate a "don't-give-up mentality" as the most crucial ingredient to their success.
Good article here from Business 2.0: Secret of success: Be a bulldog
BOTTOMLINE: "All my years of experience have taught me that the greatest attribute for any business leader is perserverance. As long as you keep trying, you'll keep learning. (Gary Harpst, founder of three companies, CEO, and author of Six Disciplines for Excellence.)