Yes I’m travelling by plane again today, so I don’t really want to think about this sort of thing, but equally, I’m going to be very short of time to blog, so I’m just going to direct you to this (long, but worth it) read, titled:

‘We’re the Only Plane in the Sky’

and subheaded:

Where was the president in the eight hours after the Sept. 11 attacks? The strange, harrowing journey of Air Force One, as told by the people who were on board.

It’s very good.