High Quality Content by WIKIPEDIA articles! Walter Patrick "Pat" Lang, Jr. is a commentator on the Middle East, a retired US Army officer and private intelligence analyst, and an author. After leaving uniformed military service as a colonel, he held high-level posts in military intelligence as a civilian. He led intelligence analysis of the Middle East and South Asia for the Defense Department and world-wide HUMINT activities in a high-level equivalent to the rank of a lieutenant general.