Dubya -- The Loneliest Guy in the World

11/20/2008 7:15 PM PST BY TMZ STAFF
George Bush was totally snubbed at the G20 summit -- or was he doing the snubbing?

Either way, as the Huffington Post points out, not a single world leader made an effort to shake his hand.

Bush still has 60 days, 5 hours and 12 minutes until he's out of office, not that anyone's counting.