WASHINGTON, DC - JUNE 17: U.S. President Barack Obama (L) and his daughter Malia Obama walk out of the White House hand-in-hand before boarding Marine One on the South Lawn June 17, 2016 in Washington, DC. The first family is traveling to New Mexico and tour Carlsbad Caverns National Park to celebrate the 100th anniversary of the creation of America's national park system. (Photo by Chip Somodevilla/Getty Images)