RIYADH, SAUDI ARABIA - FEBRUARY 23: (ISRAEL OUT) In this handout photo provided by the Palestinian Press Office (PPO), Palestinian President Mahmoud Abbas meets with King Salman bin Abdulaziz Al Saud of Saudi Arabia on February 23, 2015 in Riyadh, Saudi Arabia. Abbas is on an official visit to the Kingdom of Saudi Arabia. (Photo by Thaer Ghanaim/PPO via Getty Images)