ISTANBUL  North Korean leader Kim Jong Un said that no one can harm the status and the security of his country, state media reported on Wednesday. "The cause of building a powerful country ... is being reviewed proudly now that our state has attained a remarkable status," the Korean Central News Agency (KCNA) quoted Kim as saying in a speech at a national founding day ceremony held Tuesday at the Mansudae Assembly Hall in Pyongyang. North Korea marked the 77th anniversary of the country's