Phindile Mkhize as Rafiki in that little-show-that-could, The Lion King. Photo by Joan Marcus. Drama lovers, a word: Here in the lavishly appointed ahr-eee Theater cubicle of DCist’s state-of-the-art underground headquarters, we have what you call an ethos. For us, casting arbitrary, semi-informed judgment on the bustling stage traffic of Our Nation’s Capitol is about a lot more than just getting free tickets to the latest hot offering from reliable companies like Catalyst or…