Evidence is there that a structural, mechanical or electrical failure of some kind led to the explosion.

It's a pretty big deal. How it will ultimately play out, I don't know.

The explosion followed the path of least resistance.

He was a fairly high-ranking officer in the Libyan Intelligence Agency and his activities appeared to have, and can be reasoned to have, government involvement.

We have reached a deal. We have an understanding. I have confirmed with my counterpart in Libya that we are still very much in business, and we are proceeding according to plan.

What the people on the ground saw was that line of fire proceeding back toward the fuselage. That's what they thought was a missile.