In this Monday, Feb. 8, 2016 photo, Israel's former President Shimon Peres poses for a portrait at the Peres Center for Peace in Jaffa, Israel. A source close to former President Peres said his condition has deteriorated, two weeks after suffering a major stroke. The person did not disclose further details about Peres' worsening condition. He spoke Tuesday on condition of anonymity because he was not authorized to discuss Peres' health with the media. (AP Photo/Oded Balilty)