Famed Los Angeles-based French street artist Mr. Brainwash recently painted an awesome mural on the wall of Union Market (read more about it here) and was quoted saying that he'd be back in the District because “Washington, D.C. needs it,” having so many “blank walls that could have messages for people to see life more beautifully.” Well, right now, a couple of blank walls in NoMa are getting some graffiti love as part of Pow! Wow! DC, a week long art festival. Most of the murals are still works in progress at this time, and Thursday night, I joined a (rather large) group of street art loving peeps for a walking tour of the neighbourhood led by local artist Kelly Towles who's been ...