Possibly the biggest issue, however, is that performance appraisals focus managers attention on precisely the wrong thing: individual people. As W. Edwards Deming, the father of the quality movement, taught a long time ago, company performance often results more from variations in systems than from the individuals doing the work.

We need economic policies in the U.S. that produce jobs, first of all, but good jobs, second of all. Believe it or not, Germany, a country characterized by high wages, strong unions, a social safety net, and so forth is the second largest exporter (after China) in the world. The idea that the only way to succeed is by eliminating vacations, sick days, worker protections, and so forth is simply belied by the competitiveness rankings produced by the Economist magazine's intelligence unit and by the World Economic Forum.

Knowledge is only useful if you do something with it.

Possibly the biggest issue, however, is that performance appraisals focus managers attention on precisely the wrong thing: individual people. As W. Edwards Deming, the father of the quality movement, taught a long time ago, company performance often results more from variations in systems than from the individuals doing the work.

Nothing comes without trade-offs. Do you want to spend time with people who like, or with people who might be useful to you? Do you really want to put in the long hours and constant attention required to be successful in your quest for power? Do you really want to be under the microscope on a daily basis, with people commenting on the car you drive, where you live, where you go on vacation, and so forth? There is no way to avoid the price of power. It's up to you to decide if it is worth it, and to change course when it isn't.

Doris Kearns Goodwin's Team of Rivals is instructive in painting a realistic portrayal of Lincoln and his methods for accomplishing his objectives. In fact, many good political biographies are useful in learning about power, strategy, and decision-making.

Take care of your customers, and you will have a successful business. Don't, and you won't. The airlines need to figure this out - soon.