First Lady Michelle Obama and Tyler Oakley greet family pets Bo and Sunny in the Library of the White House, following the Beating the Odds Summit , July 19, 2016. (Official White House Photo by Amanda Lucidon)

President Barack Obama talks with retired U.S. Army Lieutenant Colonel Charles Kettles, center, and his guests, former brothers-in-arms from Vietnam, in the Blue Room following the Medal of Honor ceremony for Kettles at the White House, July 18, 2016. Then-Major Kettles distinguished himself in combat operations near Duc Pho, Republic of Vietnam, on May 15, 1967, and is credited with saving the lives of 40 soldiers and four of his own crew members. (Official White House Photo by Pete Souza)

President Barack Obama talks with Ambassador of France to the United States Gérard Araud in the Blue Room of the White House prior to the Diplomatic Corps Reception, July 15, 2016. (Official White House Photo by Pete Souza)

President Barack Obama hugs Eliana Pinckney and her younger sister Malana Pinckney, daughters of Reverend Clementa Pinckney who was killed in the 2015 Charleston church shooting, after participating in “The President and the People: A National Conversation,” an ABC/ESPN town hall on race and policing with David Muir, anchor of ABC’s “World News Tonight” at the Studio Theatre in Washington, D.C., July 14, 2016. The girls’ mother, Jennifer Pinckney, watches at left. (Official White House Photo by Pete Souza)

President Barack Obama talks with Mick McHale, President, National Association of Police Organizations, after meeting with activists, civil rights, faith, law enforcement and elected leaders on building community trust, in the Eisenhower Executive Office Building of the White House, July 13, 2016. In the background, Black Lives Matter activist Mica Grimm hugs Col. Michael D. Edmonson, Superintendent of Police, Louisiana State Police. (Official White House Photo by Pete Souza)