Photo by DCMatt DCist is planning on heading up to the Field School on Foxhall Road this evening to listen to a mayoral debate between Adrian Fenty, Vincent Gray and Leo Alexander hosted by the Palisades Citizens Association. Getting there, however, will require hiking through a forested ravine in severe thunderstorms. Fun! (Martin, come pick me up!) We’d tell you to go home already, but since it’s raining, you may be camped out at…