In Saudi Arabia, Trump says fight against terrorism a 'battle between good and evil'

President Donald Trump delivers a speech
President Donald Trump delivers a speech to the Arab Islamic American Summit, at the King Abdulaziz Conference Center, Sunday, May 21, 2017, in Riyadh, Saudi Arabia. From left, White House Chief of Staff Reince Priebus, Ivanka Trump, White House senior adviser Jared Kushner.
Evan Vucci | AP