As video game franchises go, Fallout has the longevity and innovative newness that few have been able to duplicate. The latest trailer of the downloaded content for “Old World Blues” will have fans rushing for the credit cards. Mixing gore, psychedelic visuals and audio, and the classic fighting style that only Fallout provides has kept the franchise strong over the years. This latest addition will likely only enhance that. “This will only sting… for a decade.” …