Kazakhstan replaces State Oil Company Boss

    Kazakhstan has replaced the chief executive at the state oil and gas company KazMunaiGas, Prime Minister Karim Masimov said on Thursday.     "The board of Samruk (the holding in charge of state-owned companies) has appointed Serik Burkitbayev the president of KazMunaiGas," Masimov told a meeting at KazMunaiGas.     Burkitbayev, 50, was previously the head...