One of the most severely wounded survivors of the Benghazi terror attack, Diplomatic Security agent David Ubben, risked his life to help save his fellow Americans, and is still being treated at Walter Reed medical center to this day, Fox News has learned. Fox News is the first news organization to make direct contact with Ubben -- who has had multiple surgeries at Walter Reed to save his right leg, which was badly wounded in the Sept. 11 attack. Fox News has also learned new details about Ubben's heroic actions on the night of the attack, including fighting alongside the...