U.S. President Barack Obama lines up his putt as Senator Bob Corker looks on during a round of golf at Joint Base Andrews in Maryland

 
U.S. President Barack Obama lines up his putt as Senator Bob Corker looks on during a round of golf at Joint Base Andrews in Maryland
U.S. President Barack Obama lines up his putt as Senator Bob Corker (R-TN) looks on during a round of golf at Joint Base Andrews in Maryland May 6, 2013. Senators Saxby Chambliss (R-GA) and Mark Udall (D-COL) also played in the foursome. REUTERS/Kevin Lamarque