U.S. President Barack Obama shakes hands with a crew member aboard the USS Ross at Naval Station Rota, in Rota, Spain on Sunday, July 10. Obama will <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F07%2F10%2Fpolitics%2Fobama-police-shootings-spain%2Findex.html" target="_blank">cut his trip to Spain short by one day in order to visit Dallas</a> after the recent shootings.
U.S. President Barack Obama shakes hands with a crew member aboard the USS Ross at Naval Station Rota, in Rota, Spain on Sunday, July 10. Obama will cut his trip to Spain short by one day in order to visit Dallas after the recent shootings.
MANDEL NGAN/AFP/Getty Images
Obama waves as he arrives at Naval Station Rota on July 10.
Obama waves as he arrives at Naval Station Rota on July 10.
MANDEL NGAN/AFP/Getty Images
Obama talks with Spanish interim Prime Minister Mariano Rajoy during a bilateral meeting at Moncloa Palace in Madrid on July 10.
Obama talks with Spanish interim Prime Minister Mariano Rajoy during a bilateral meeting at Moncloa Palace in Madrid on July 10.
MANDEL NGAN/AFP/Getty Images
Obama's car arrives at Moncloa Palace on July 10 in Madrid.
Obama's car arrives at Moncloa Palace on July 10 in Madrid.
Pablo Blazquez Dominguez/Getty Images
Spain's King Felipe VI greats Obama after his arrival at the Palacio Real de Madrid on July 10.
Spain's King Felipe VI greats Obama after his arrival at the Palacio Real de Madrid on July 10.
MANDEL NGAN/AFP/Getty Images
U.S. President Barack Obama speaks at a news conference at the NATO summit in Warsaw, Poland, on Saturday, July 9. Obama spoke for the third time from Poland <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F07%2F09%2Fpolitics%2Fobama-says-u-s-not-as-divided-as-some-have-suggested%2Findex.html" target="_blank">on the the gun violence that's seized communities in the United States.</a> Obama and other NATO leaders attended a second day of a summit meeting in Warsaw expected to lead to decisions about Afghanistan, the central Mediterranean and Iraq.
U.S. President Barack Obama speaks at a news conference at the NATO summit in Warsaw, Poland, on Saturday, July 9. Obama spoke for the third time from Poland on the the gun violence that's seized communities in the United States. Obama and other NATO leaders attended a second day of a summit meeting in Warsaw expected to lead to decisions about Afghanistan, the central Mediterranean and Iraq.
Markus Schreiber/AP
British Prime Minister David Cameron, left, and Obama chat during a North Atlantic Council meeting at the summit in Warsaw on July 9.
British Prime Minister David Cameron, left, and Obama chat during a North Atlantic Council meeting at the summit in Warsaw on July 9.
Markus Schreiber/AP
Obama participates in a NATO family photo at PGE National Stadium in Warsaw on Friday, July 8.
Obama participates in a NATO family photo at PGE National Stadium in Warsaw on Friday, July 8.
Susan Walsh/AP
Obama speaks on the Dallas shootings from a hotel in Warsaw on July 8. He called the shootings a "vicious, calculated, despicable attack on law enforcement."
Obama speaks on the Dallas shootings from a hotel in Warsaw on July 8. He called the shootings a "vicious, calculated, despicable attack on law enforcement."
MANDEL NGAN/AFP/Getty Images
Obama meets European Council President Donald Tusk, third from right; European Commission President Jean-Claude Juncker, fourth from right; and EU High Representative for Foreign Affairs and Security Federica Mogherini, right, on the sidelines of the NATO summit at a hotel in Warsaw on July 8. The Polish capital hosted a two-day NATO summit, the first time it hosted a top-level meeting of the Western military alliance that it joined in 1999.
Obama meets European Council President Donald Tusk, third from right; European Commission President Jean-Claude Juncker, fourth from right; and EU High Representative for Foreign Affairs and Security Federica Mogherini, right, on the sidelines of the NATO summit at a hotel in Warsaw on July 8. The Polish capital hosted a two-day NATO summit, the first time it hosted a top-level meeting of the Western military alliance that it joined in 1999.
MANDEL NGAN/AFP/Getty Images
Obama steps off Air Force One upon arrival at Warsaw Chopin Airport in Poland on July 8.
Obama steps off Air Force One upon arrival at Warsaw Chopin Airport in Poland on July 8.
MANDEL NGAN/AFP/Getty Images
A crowd waves as Obama departs the White House for his trip to Warsaw, Poland, on July 7, in Washington.
A crowd waves as Obama departs the White House for his trip to Warsaw, Poland, on July 7, in Washington.
MOLLY RILEY/AFP/Getty Images
Obama boards Air Force One at Andrews Air Force Base before departing for Warsaw, Poland, on Thursday, July 7.
Obama boards Air Force One at Andrews Air Force Base before departing for Warsaw, Poland, on Thursday, July 7.
MANDEL NGAN/AFP/Getty Images