Ignorance can be bliss. When my wife ordered ‘sweetbreads’ from the menu at the Fly Trap in San Francisco some years ago, she didn’t realize it had little to do with dough. Fortunately, it tasted like chicken. No harm, no foul. But when you are one of the world’s top paid athletes and a household name in the golf community, it is not easier to get forgiveness than permission. This week, we learned that Vijay Singh, a PGA Tour player with 30 years of experience, 58 career wins and three major victories, admitted to using a substance that has been …