MADRID, SPAIN - JULY 10: Spanish Prime Minister Mariano Rajoy (L) receives U.S. President Barack Obama (R) at Moncloa Palace on July 10, 2016 in Madrid, Spain. President Obama arrived yesterday from the NATO summit in Warsaw and has reportedly had to shorten his first official visit to Spain after the Dallas shootings which killed five policemen on Thursday. (Photo by Pablo Blazquez Dominguez/Getty Images)
