NEW YORK, NY - JULY 06: Donald Trump attends the 2015 Hank's Yanks Golf Classic at Trump Golf Links Ferry Point on July 6, 2015 in New York City. (Photo by Andrew H. Walker/Getty Images)
Smoke billows from buildings after reported air strikes by the Saudi-led coalition on arms warehouses at Al-Dailami air base, on September 29, 2015, north of the capital Sanaa. AFP PHOTO / MOHAMMED HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images)
BRUSSELS, BELGIUM - JUNE 25: Turkish Foreign Minister Ahmet Davutoglu (L) speaks with U.S. Secretary of State John Kerry (R) during the NATO Foreign Affairs Ministers meeting at the NATO Headquarters in Brussels, Belgium on June 25, 2014. (Photo by Dursun Aydemir/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - MAY 3: Jerusalem field hospital is seen as it turns into a wreckage after Assad Regime forces' multiple attacks in Aleppo, Syria on May 3, 2016. Assad Regime's attacks killed last pediatrician and 76 kids last 13 day. (Photo by Ibrahim Ebu Leys/Anadolu Agency/Getty Images)
The United Nations Security Council votes during a meeting on non-proliferation in North Korea on March 4, 2015 at the United Nations in New York. AFP PHOTO/Don Emmert (Photo credit should read DON EMMERT/AFP/Getty Images)
Iraqi protesters gather in the parade grounds outside the parliament in Baghdad's heavily fortified "Green Zone" on May 1, 2016, a day after supporters of Shiite cleric Moqtada al-Sadr broke into the area after lawmakers again failed to approve new ministers.
Protesters were withdrawing from Baghdad's Green Zone after breaking into the fortified area and storming Iraq's parliament in an unprecedented security breach the day before. The move, which lessens the pressure on politicians in Baghdad, came as rare bombings in the south killed 33 people and wounded dozens. / AFP / HAIDAR MOHAMMED ALI (Photo credit should read HAIDAR MOHAMMED ALI/AFP/Getty Images)
A Syrian boy walks with his bicycle in the devastated Sukari district in the northern city of Aleppo on November 13, 2014, after more than three years of fighting and shelling. Syrians are increasingly unable to escape their country's war as tougher policies in potential host nations are preventing them from taking refuge in the region and beyond. AFP PHOTO / BARAA AL-HALABI (Photo credit should read BARAA AL-HALABI/AFP/Getty Images)
ALEPPO, SYRIA - APRIL 28: Civilians look for survivors under debris after Russian forces staged air-strike over Aleppo's opposition controlled Kellase region, Syria on April 28, 2016. (Photo by Ibrahim Ebu Leys/Anadolu Agency/Getty Images)
WILMINGTON, DE - SEPTEMBER 16: Democratic U.S. Senate candidate Chris Coons speaks during forum at Bernard and Ruth Siegel Jewish Community Center September 16, 2010 in Wilmington, Delaware. Republican and Democratic candidates for Delaware's U.S. Senate seat, House of Representatives seat, state treasurer and state auditor met to answer questions at a community open house with the midterm elections a month and a half away. Tea Party candidate Christine O'Donnell defeated nine-term Congressman Mike Castle (R-DE) in the Republican primary to run against Democratic candidate New Castle County Executive Chris Coons in November's midterm elections for Vice President Joseph R. Biden's former U.S. Senate seat. (Photo by Brendan Smialowski/Getty Images)
UN Syria envoy Staffan de Mistura addresses journalists after a meeting on Syria peace talks in Geneva on April 18, 2016.
Syria's opposition urged the UN to pause peace talks until Damascus shows it is serious about political transition, as rebel groups vowed to strike back against alleged ceasefire violations. / AFP / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)
RIYADH, SAUDI ARABIA - APRIL 21: US President Barack Obama (L), King of Saudi Arabia Salman bin Abdulaziz al-Saud (C) and King of Bahrain Hamad bin Isa al-Khalifa (R) are seen as they take part in a family photo during US - Gulf Cooperation Council (GCC) summit in Riyadh, Saudi Arabia on April 21, 2016. (Photo by Pool / Bandar Algaloud/Anadolu Agency/Getty Images)
RIYAD, SAUDI ARABIA - APRIL 20: US President Barack Obama (R) shakes hands with Saudi Defense Minister Muhammed bin Salman Erga Palace in Riyadh, on April 20, 2016. During his two-day visit, Obama is to attend a Gulf summit.
(Photo by Pool / Bandar Algaloud/Anadolu Agency/Getty Images)
10/10 US-ATTACKS-2ND YEAR ANNIVERSARY The rubble of the World Trade Center smoulders following a terrorist attack 11 September 2001 in New York. A hijacked plane crashed into and destroyed the landmark structure. The all-out war on terrorism unleashed by Washington after the attacks marked a turning point in US-Arab relations and nowhere more so than in once top ally Saudi Arabia. With 15 of the 19 suicide hijackers carrying Saudi nationality and mastermind Osama bin Laden being the scion of a leading Saudi family, the desert kingdom and world oil kingpin, suddenly found itself on the frontline of the war on terror prosecuted by US President George W. Bush. AFP PHOTO/Alex Fuchs (Photo credit should read ALEX FUCHS/AFP/Getty Images)
UN Syria envoy Staffan de Mistura addresses journalists after a meeting on Syria peace talks in Geneva on April 18, 2016.
Syria's opposition urged the UN to pause peace talks until Damascus shows it is serious about political transition, as rebel groups vowed to strike back against alleged ceasefire violations. / AFP / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)
US Secret Service Uniform Division officers walk in the door near the seal on the US Treasury building August 9, 2011, in Washington, DC. AFP Photo/Paul J. Richards (Photo credit should read PAUL J. RICHARDS/AFP/Getty Images)