I'm convinced that the pros have as much trouble with Rule #23 as the rest of us. Did Tiger's ball wobble in place or did it roll at the BMW Championship? There was a bit of confusion at the Pure Silk-Bahamas LPGA Classic about stones and shells in bunkers. Stones were movable and shells weren't? Hummm. Since when can anything -- loose impediment or obstruction -- be moved in a hazard? Read on.