When I was growing up in the '70s, I worked at my dad's golf club. One of my most vivid memories was of a well-known local businessman throwing his ball out of the sand trap with one hand, while tossing the sand up with the other so it looked like he actually hit the shot. I saw many successful men like him cheat on the golf course when they didn't know I was watching. Most of their violations were more subtle--but still dishonest.
Golf is based on honesty. It's the only sport where p