US President Barack Obama laughs as he walks with Col. Kenneth R. Rizer(not seen), Commander of the 11th Wing and Joint Base Andrews to Air Force One prior to departure from Andrews Air Force Base in Maryland, October 4, 2011. Obama is traveling to speak about creating more jobs and attend Democratic fundraisers in Dallas, Texas and St. Louis, Missouri. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)