Attendees listen as US Democratic Presidential hopeful former Secretary of State Hillary Clinton speaks during the American Israel Public Affairs Committee (AIPAC) 2016 Policy Conference at the Verizon Center in Washington, DC, March 21, 2016. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
LAS VEGAS, NV - FEBRUARY 24: U.S. Vice President Mike Pence speaks during the Republican Jewish Coalition's annual leadership meeting at The Venetian Las Vegas on February 24, 2017 in Las Vegas, Nevada. Pence's speech to the group of Republican Jewish leaders and donors follows his trip last week to Germany where he visited the former Dachau concentration camp and a surprise stop on Wednesday at a Jewish cemetery in Missouri that had been vandalized. (Photo by Ethan Miller/Getty Images)
WASHINGTON, DC - FEBRUARY 16: White House Chief Strategist Steve Bannon arrives at a news conference for U.S. President Donald Trump to announce Alexander Acosta as the new Labor Secretary nominee in the East Room at the White House on February 16, 2017 in Washington, DC. The announcement comes a day after Andrew Puzder withdrew his nomination. (Photo by Mario Tama/Getty Images)
WASHINGTON, D.C. - FEBRUARY 15: (AFP OUT) U.S. President Donald Trump (R) sits with Israel Prime Minister Benjamin Netanyahu in the Oval Office of the White House on February 15, 2017 in Washington, D.C. Netanyahu is trying to recalibrate ties with the new U.S. administration after eight years of high-profile clashes with former President Barack Obama, in part over Israel's policies toward the Palestinians. (Photo by Andrew Harrer - Pool/Getty Images)
WASHINGTON, DC - FEBRUARY 03: U.S. President Donald Trump gives a thumbs-up to members of the news media before boarding Marine One and departing the White House February 3, 2017 in Washington, DC. Trump is traveling to Palm Beach, Florida, to spend the weekend at his Mar-a-Lago Club. (Photo by Chip Somodevilla/Getty Images)
Israeli Prime Minister Benjamin Netanyahu chairs the weekly cabinet meeting in Jerusalem on December 25, 2016.
Israel was defiant over a UN vote demanding it halt settlements in Palestinian territory, after lashing out at US President Barack Obama over the "shameful" resolution. / AFP / AP AND POOL / Dan Balilty (Photo credit should read DAN BALILTY/AFP/Getty Images)
Syrian residents, fleeing violence in the restive Bustan al-Qasr neighbourhood, arrive in Aleppo's Fardos neighbourhood on December 13, 2016, after regime troops retook the area from rebel fighters.
Syrian rebels withdrew from six more neighbourhoods in their one-time bastion of east Aleppo in the face of advancing government troops, the Syrian Observatory for Human Rights said. / AFP / STRINGER (Photo credit should read STRINGER/AFP/Getty Images)