Erdoğan’s Justice and Development Party or AK Party may win 49 percent in June 12 elections, almost double the 26 percent backing the main opposition Republican People’s Party, according to the average of four surveys by researchers Pollmark, Sonar, Konsensus and Genar. The studies were carried out between May 17 and May 31. The AK Party came to power with 34 percent of the vote in 2002 and won 47 percent four years ago. Erdoğan’s priority, in a third term that could make him the longest-serving leader since Turkey’s founder Mustafa Kemal Atatürk, iafter a 1980 coup.