U.S. President Barack Obama reacts during a taping of the Tonight Show with Jay Leno in Burbank, California

 
U.S. President Barack Obama reacts during a taping of the Tonight Show with Jay Leno in Burbank, California
U.S. President Barack Obama reacts during a taping of the Tonight Show with Jay Leno in Burbank, California, October 25, 2011. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS ENTERTAINMENT)