People really want to say Obama. They probably think Bush was dumb. It can't be Obama. It could be Osama.
ADDED: And here's the BBC's list of people who defined the decade:
David BeckhamBush isn't even on it.
L/Corp Johnson Beharry
Osama Bin Laden
George W Bush
Larry Page and Sergey Brin
ADDED: Oops! How dare they bamboozle me with alphabetical order!!!