Driving on Pennsylvania Avenue NW next Monday? Watch out for racing waiters. (Gerald Martineau) There's something about long, hot summers that puts revolution in the air, and I'm not just talking about July 4. France's biggest holiday is Bastille Day, July 14, which marks the day the citizens of Paris stormed the Bastille prison in 1789 and launched the French Revolution. Exactly a week later, Belgium celebrates 177 years of independence from the Netherlands. While wine and beer will be flowing in Paris and Brussels, there'll be plenty of soirees on this side of the Atlantic, too. Read on for info on decadent menus, racing waiters, champagne specials and dancing on bars. ...