As legendary golf instructor Charlie King will tell you, one of the best ways to get people to improve their golf-- or their knitting or whittling or ice fishing, for that matter-- is to provide some incentive or motivation.  It's the exact phenomenon that explains why Peter Kessler whipped me in golf all week until we put a small wager on the match and I came roaring back to win.  The fact is, I could be playing for a bottle cap but the mere ... Full Story