Turkish President Recep Tayyip Erdogan has declared himself the winner of a high-stakes election, in which he sought to cement his power on the nation he has ruled for 15 years. But the opposition has cried foul, claiming that state media and the election commission have manipulated the results. The election commission is expected to announce official results later Sunday. If Erdogan's victory is officially confirmed, he will gain sweeping new powers when he resumes office. He narrowly won a referendum last year to transform the country's parliamentary system to a powerful executive presidency, in what his critics ... (full story)