Fast food is usually the last place anyone would look for a history lesson, a social conscience or a message of change. And maybe that’s the problem. In a world where fast food is often the only food available in our communities, is there any reason why it shouldn’t be a force for good, serving healthy food while encouraging community togetherness and mutual respect? Chef Rock Harper says no, and he’s proving his point with Queen Mother’s, his new Arlington, Virginia-based restaurant that’s aiming to change the way we see fried chicken, and a few other things as well.