Of all the documentaries premiering at this year’s South by Southwest Film Festival, we’re probably most excited about seeing Second Skin, an up close and personal look at the lives of seven MMORPG (Massively multiplayer online role-playing game) players and the fictional worlds they inhabit. We recently had a chance to chat with the film’s Texas-born producer, Victor Piñeiro, about video games, social networks, and getting away with murder in a virtual world....