Gladwell says it well.

Once again, Malcolm Gladwell says what I think. But better.

gladwell.com: Lazy Centers: "Beware contract-signing offensive lineman who are 'naturally' big (QBs should be ok), jockeys with bird-like skeletal structures, and third generation sons who ascend to the CEO's office in the family firm (bought a Ford lately?). Short, unattractive CEOs, generals, coaches should show fewer contract effects than tall, good-looking ones."