The powerful sister of North Korea’s leader has lobbed personal insults toward US President Joe Biden and vowed her country would stage more displays of its military might in response to a new US-South Korean deal to intensify nuclear deterrence to counter the North’s nuclear threat. Kim Yo-jong lashed out at Biden on Saturday over his blunt warning that N. Korean nuclear aggression would result in the end of its regime, calling Biden senile and “too miscalculating and irresponsibly brave.”
