Sultan vs. King: What's the ?

sultan kingKUALA LUMPUR, Malaysia (AP) — Malaysia’s billionaire king Sultan Ibrahim Iskandar was installed on Saturday, six months after he was sworn in for a five-year term under a uniqueSultan Ibrahim Ismail ibni al-Marhum Sultan Mahmud Iskandar al-Haj (Born 22 November 1958 – enthroned 23 January 2010 – ) Raja Zarith Sofia binti al-Marhum Sultan Idris al-Mutawakil