US President Barack Obama walks the first family's dog as he arrives at the Congressional Picnic on the South Lawn of the White House in Washington, DC June 8, 2010. AFP PHOTO / YURI GRIPAS (Photo credit should read YURI GRIPAS/AFP/Getty Images)
US President Barack Obama walks the first family's dog as he arrives at the Congressional Picnic on the South Lawn of the White House in Washington, DC June 8, 2010. AFP PHOTO / YURI GRIPAS (Photo credit should read YURI GRIPAS/AFP/Getty Images)