In this photo provided by NBC, President Barack Obama appears on "The Tonight Show" with Jay Leno Wednesday, Oct. 24, 2012, in Los Angeles. (AP Photo/NBC, Paul Drinkwater)

 

              In this photo provided by NBC, President Barack Obama appears on "The Tonight Show" with Jay Leno Wednesday, Oct. 24, 2012, in Los Angeles. (AP Photo/NBC, Paul Drinkwater)
In this photo provided by NBC, President Barack Obama appears on "The Tonight Show" with Jay Leno Wednesday, Oct. 24, 2012, in Los Angeles. (AP Photo/NBC, Paul Drinkwater)