Why do golf's 'nice guys' finish last?

"Nice guys finish last" is a mantra often preached in sport and business. Where golf is concerned, it would seem "nice guys" finish second. And they even manage to smile.

Source: http://edition.cnn.com/2012/10/30/sport/golf/scott-kim-british-open-golf/index.html?eref=edition

my boy jack norwegian cruise line seahawks tickets duchenne charlie whitehurst