My insight into this was by reading (listening to) the very long book by Robert Gates called Duty. It described goings-on at the Department of Defense during hi

My insight into this was by reading (listening to) the very long book by Robert Gates called Duty. It described goings-on at the Department of Defense during his time there and showed that even for this slice of government, decisions were never clear cut, the factions many, and opinions numerous. Even for something as clear cut (in retrospect) as the mission to get Bin Laden was debated extensively.