Since SIFF is kicking off its Global Lens series this weekend, we stopped in to catch South Africa's Bunny Chow, the film debut from John Barker. We were told it wasn't "about" race and apartheid, but it does begin with some homespun moralizing about bunny chow and how Johannesburg is a melting pot, before it gets going: three comics at various stages in their careers take a road trip to a big music festival. (The......