After a short stint of exclusivity on GameSpot, the very first video developer diary for Fallout: New Vegas has been released. In it, Obsidian Entertainment's Feargus Urquhart, Josh Sawyer, Chris Avellone, John Gonzalez, and Larry Liberty talk for two-and-a-half minutes about the game's storyline and overarching themes. Well worth a look if you didn't catch it the first time: