Cool picture.
I would not be suprised if the SS considers the limo to be more secure than Marine One.
Just don't tell it to the Marines.
I love that picture. I took it off the Defense Department website.
It was just after the Abu Ghraib fiasco. It was good to see such a warm greeting between the two of them.
Take a look at the hi-res picture here.....
http://www.defenselink.mil/photos/May2004/040510-F-6655M-012.jpg
It looks like they are standing right in front of you.