North Korea has changed the English title of its leader Kim Jong Un from "chairman" to "president," according to recent state media reports from the country.The Korean Central News Agency on Wednesday ran an English story of Kim visiting the Kumsusan Palace of the Sun, on the outskirts of Pyongyang, on Tuesday to mark the birthday of his late father, Chairman Kim Jong Il, whose preserved remains lie in state there.The KCNA report referred to the current leader as "president of the State Affairs of the Democratic People's Republic of Korea," using the country's formal name.KCNA, whose Englis…READ FULL ARTICLE