US President Barack Obama and First Lady Michelle Obama pose with one-month-old Adeline Valentina Hernandez Whitney while greeting service members and their families in a mess hall at Marine Base Hawaii at Kaneohe Bay on Christmas Day, December 25, 2011. Obama greeted base personnel while vacationing at a rental home nearby. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)