Documentary filmmaker David McMahon grew up in one of those pockets of open-mindedness and tolerance in the South. “It was a real lifesaver for me, growing up there. I got exposed to like-minded people and supportive people,” he says. So when he found out playwright Billy Ray Brewton was going to do an original musical called Skanks In A One Horse Town, he decided to give it a shot and turn the experience into a documentary, premiering at the Slamdance Film Festival this month.  … read more