UNITED NATIONS — North Korean leader Kim Jong Un called President Donald Trump "deranged" and said in a statement carried by the state news agency that he will "pay dearly" for his threats.Kim said that Trump is "unfit to hold the prerogative of supreme command of a country." He also described the president as "a rogue and a gangster fond of playing with fire.""I will make the man holding the prerogative of the supreme command in the U.S.