President Barack Obama reacts as Bo, the Obama family dog, meets a poodle named Cinnamon while shopping at a PetSmart store in Alexandria, Va., Dec. 21, 2011. (by Chuck Kennedy)
President Barack Obama talks with an employee as he selects a bone for Bo, the Obama family dog, during a stop at a PetSmart store in Alexandria, Va., Dec. 21, 2011. (Official White House Photo by Pete Souza)