Editor's Note: This article originally misidentified the rank and position of Lt. Gen. William Caldwell. He is the head of the Army's Combined Arms Center. The article has been corrected to reflect that. Army leaders are only weeks away from making a decision about the future of a new type of unit charged with steering security cooperation efforts from Army outposts around the globe, defense officials tell InsideDefense.com . The decision to create so-called "Theater Military Advisory Assistance Groups" is...