Drivers in Montgomery County, beware! The AT&T National golf tournament, hosted by the sport’s superstar player, Tiger Woods, began today at Congressional Country Club in Bethesda. The tournament should to make your drive home today, and the rest of this week, hideous beyond reason. Of course, the event being here isn’t all, or even mostly, bad news. For starters, D.C. was in danger of not having its own golf tournament at all. For 20 years…