Working over a wood fire in Washington’s summer heat is really hot stuff. But one of the coolest chefs in D.C. does just that: Richard Brooks, executive chef of Georgetown’s old-timer, Old Glory Bar-B-Que. Even if he must mop his brow every few minutes, Brooks loves the smoke and the thrill of the job. After all, he’s been in the same kitchen tending the fires for the past 19 years.