Turkish President Recep Tayyip Erdogan talks during a joint news conference with United Nations Secretary General Ban Ki-moon, at the the World Humanitarian Summit in Istanbul, Tuesday, May 24, 2016. World leaders and representatives of humanitarian organisations from across the globe gathered in Istanbul on May 23-24, 2016 for the first World Humanitarian Summit, focused on how to reform a system many judge broken. (AP Photo/Lefteris Pitarakis)
