I work for the DSS, the bureau that provides security to all US diplomatic missions worldwide and more...
Ambassador Stevens was killed because his security detail was overpowered by the attackers, who had chosen a soft target of our temporary consulate in Benghazi. Ambassadors do not travel with heavy security details, and it has been like that for several decades. That fight was lost on the intelligence level - I am not part of the investigation but I bet you, that some local hire at the Embassy "ratted" out the fact that the Ambassador was traveling to the consulate and that was it - the attackers gathered together and struck... 2 former Seals can't resist 40 attackers for too long... God rest their souls in peace...

Youtube or not, that war is neverending, and you can't deny that the youtube movie provided a smokescreen for the attack - once the smoke was cleared, more and more details emerged... blind speculations by people who have no idea what they are talking about should not have any bearings on the truth, even if their specualtion hit the spot - most of the investigative information is classified, and is not available for the public for the very reason to protect lives...

and the economy? Mitt is a very shrewd businessman, who I would love to run a company that I have shares of - but he is for the profit, not for the public service... two different things...