NEWSTrump begins first foreign trip with visit to Saudi ArabiaPresident Trump delivers a speech to the Arab Islamic American Summit, at the King Abdulaziz Conference Center on May 21, 2017, in Riyadh, Saudi Arabia. Trump urged leaders of Muslim countries to stand up against what he calls "Islamic extremism" on Sunday, adopting a tough stance on terrorism that attempts to soften the anti-Muslim rhetoric of his campaign for president. Trump is on an official visit to Saudi Arabia, the first stop of his first foreign trip as president, visiting Saudi Arabia, Israel, Vatican, and a pair of summits in Brussels and Sicily.Evan Vucci, APPresident Trump and Saudi's King Salman bin Abdulaziz al-Saud, right center, prepare to meet with leaders of the Gulf Cooperation Council in Riyadh on May 21, 2017.Mandel Ngan, AFP/Getty ImagesWorkers prepare a room for a meeting between President Trump and leaders of the Gulf Cooperation Council, at the King Abdulaziz Conference Center on May 21, 2017, in Riyadh.Evan Vucci, APPresident Trump participates in a meeting with leaders at the Gulf Cooperation Council Summit on May 21, 2017, in Riyadh, Saudi Arabia.Evan Vucci, APPresident Trump listens to Secretary of State Rex Tillerson during a meeting with leaders of the Gulf Cooperation Council in Riyadh on May 21, 2017.Mandel Ngan, AFP/Getty ImagesPresident Trump shakes hands with Egyptian President Abdel Fattah al-Sisi during a bilateral meeting May 21, 2017, in Riyadh.Evan Vucci, APPresident Trump holds a sword and sways with traditional dancers during a welcome ceremony at Murabba Palace on May 20, 2017, in Riyadh.Evan Vucci, APPresident Trump waits for the beginning of a bilateral meeting with Saudi King Salam at the Royal Court Palace, on May 20, 2017, in Riyadh. From left are, White House chief of staff Reince Priebus, Secretary of State Rex Tillerson, Trump, Commerce Secretary Wilbur Ross, White House senior adviser Jared Kushner, and Chief Economic Adviser Gary Cohn.Evan Vucci, APPresident Trump talks with Saudi King Salman during a presentation ceremony of The Collar of Abdulaziz Al Saud Medal at the Royal Court Palace on May 20, 2017, in Riyadh.Evan Vucci, APFirst lady Melania Trump talks with Saudi Crown Prince Muhammad bin Nayef during a ceremony to present The Collar of Abdulaziz Al Saud Medal to President Trump, at the Royal Court Palace on May 20, 2017, in Riyadh.Evan Vucci, APPresident Trump (C) receives the Order of Abdulaziz al-Saud medal from Saudi Arabia's King Salman bin Abdulaziz al-Saud (R) at the Saudi Royal Court in Riyadh on May 20, 2017.Mandel Ngan, AFP/Getty ImagesSaudi Arabia's King Salman bin Abdulaziz al-Saud (2nd R), US President Donald Trump (2nd L) and US First Lady Melania Trump (L) look at a display of Saudi modern art at the Saudi Royal Court in Riyadh on May 20, 2017.Mandel Ngan, AFP/Getty ImagesJournalists follow the news of President Trump's visit on a monitor in Riyadh, Saudi Arabia on May 20, 2017.European Pressphoto AgencyWhite House senior adviser Jared Kushner, right, walks with Ivanka Trump at the Royal Court Palace onMay 20, 2017, in Riyadh.Evan Vucci, APPresident Trump and first lady Melania Trump arrive at the Royal Terminal of King Khalid International Airport, on May 20, 2017, in Riyadh, Saudi Arabia.Evan Vucci, APPresident Trump waves as he boards Air Force One at Andrews Air Force Base, Md. onMay 19, 2017, for his first foreign trip as president, visiting Saudi Arabia, Israel, Vatican, and a pair of summits in Brussels and Sicily.Evan Vucci, APPresident Trump (C) and First Lady Melania Trump (R) are bid farewell by Vice President Pence (L) before the President and the First Lady depart the South Lawn of the White House by Marine One, in Washington, DC on May 19, 2017.Michael Reynolds, European Pressphoto Agency