In the world of politics, nearly every elected official or civic leader has at one point said something stupid, regrettable, insulting or downright confounding. But in recent years, well-known personalities in Virginia have had a disproportionate number of serious flubs, many of which have become national scandals. The mother of all these foot-in-the-mouth moments is surely George Allen’s infamous 2006 “macaca” comment. Caught on tape and beamed to a national audience via YouTube, the insensitive…