Irrational Games released a new trailer for BioShock Infinite today. The new trailer features quite a bit of gameplay to check out. Watch as protagonist Booker DeWitt must rescue a mysterious young woman named Elizabeth from the floating sky-city of Columbia. But what is so special about this her? Find out why so many want to prevent Elizabeth from leaving in this turn of the 19th century first-person shooter from Irrational Games. BioShock Infinite will be released on March 26th, 2013 and available for PlayStation 3, Xbox 360, and PC.