Supporters wave flags as Turkey’s President Recep Tayyip Erdogan delivers a speech during a rally of supporters a day after the referendum, at his palace, in Ankara, Turkey, Monday, April 17, 2017. Turkey’s main opposition party urged the country’s electoral board Monday to cancel the results of a landmark referendum that granted sweeping new powers to Erdogan, citing what it called substantial voting irregularities. (AP/RSS Photo/Burhan Ozbilici)