just a few haunting minutes from the intersection of charles street and north avenue, the geographic and structural center of baltimore, and right behind motor house, an art space representing all that is right and wrong with gentrification at the same time, sits a powerful reminder of the open wound from which the american heart still bleeds most profoundly and profusely. stark and crass, colorful and empowering, and a violent scream in the face of injustice and racism, mental and physical segregation – this is graffiti alley…