A Medal of Honor recipient popped the question to the 2008 vice presidential candidate's eldest daughter.
In The Know
The president also joked about Joe Biden, Scott Walker at white-tie dinner.
Obama had fun with Jimmy Kimmel late Thursday night.
Former Obama adviser says president doesn't watch network TV.
Talk of a political run has long followed the Academy Award winner.
The head-shaving event raises money for childhood cancer research.
The Clinton "Ready for Action" figure sports a wide grin, a blue power suit and pearls.