Vice president jokes about former administration during a fundraising dinner when he responded to a suggestion that President Bush leaned heavily on Vice President Cheney for guidance.

Joe Biden knows who wears the pants in the White House — and apparently it isn't him.

Biden, known for his often embarrassing off-the-cuff remarks, was at the $1,000-a-plate event to rally support for Democratic Rep. Alan Grayson — who didn't hold back with his own quips at Biden's expense while poking fun at Bush and Cheney, according to a pool report on the event.