It’s been a little disconcerting to ride my usual Metrobus routes for the last few weeks. I’m always happy to see my friend and fellow DCist editor Martin Austermuhle, but having his steely eyes staring down at me non-stop has been somewhat startling on occasion. “Oh hey, Mart– oh god, it’s that friggin’ poster again!” Maybe you’re having the same problem. The Reliable Source picked up a little item about Martin’s participation in DC…