Nearly three days after US President Joe Biden and his South Korean counterpart Yoon Suk Yeol signed a historic military deal, North Korean Supreme Leader Kim Jong-un’s sister mocked the agreement and called Biden an ‘old man with no future’.Nearly three days after US President Joe Biden and his South Korean counterpart Yoon Suk Yeol signed a historic military deal, North Korean Supreme Leader Kim Jong-un’s sister mocked the agreement and called Biden an ‘old man with no future’.