But in the center ring is something that still begs an explanation, despite the president's dismissiveness: How -- and why-- did the account of what happened at Benghazi (i.e. the infamous talking points) go through a dozen iterations, beginning with a fairly detailed description of the potential involvement of al Qaeda that morphed over the course of a day into a simple, gauzy, bland (and false) theory?

CNN: Did political spin hide the truth of Benghazi?