After numerous rounds of "We don't even know if Saddam is still alive",
Saddam decided to send George W. a letter in his own writing to let his
friend know that he is still in the game.

Bush opened the letter and it appeared to contain a coded message:
370HSSV-0773H

George W. couldn't figure it out so he typed it in and emailed Colin
Powell.
Colin and his aids had no clued either so they sent it to the CIA. No
one could solve it so it went to the NSA and then to MIT and NASA and
the cc list got longer and longer.

Eventually it arrived at the Fed. Dr. Greenspan looked at it and replied
the next second: "Perhaps the President would wish to look at the
message up-side-down...."