That's from the White House Correspondents dinner in 2011. It was the day before Bin Laden was killed. The operation was actually supposed to be the same night as that speech, but it was going to be foggy it Abottobad, so the military postponed the operation a day. They actually had to ask themselves what would happen if the operation went wrong and suddenly the President and his entire National Security team all left the dinner at the same time.
I literally was on just on that page in this book 15 minutes ago.