US President Joe Biden and his South Korean counterpart Moon Jae-in have stressed the need to engage North Korea in dialogue over its nuclear weapons program urgently.<br />'' <br />''At a joint news conference, Biden and Moon said the complete denuclearization of the Korean peninsula is their goal. <br />''<br />''<br />''Biden said both US and South Korea are deeply concerned about the situation.<br />'' <br />''Biden said he would be willing to meet North Korean leader under the right conditions, depending on if Kim agree to discuss his nuclear program.<br />'' <br />''Moon was the second foreign leader – after Japan's prime minister – to visit the White House since Biden took office in January.<br />'' <br />''The two leaders also discussed China and Taiwan. <br />''<br />''Moon said the United States and South Korea would combine capabilities to supply COVID-19 vaccines in the Indo-Pacific region.<br />'' <br />''<span style="color: #222222;">They also discussed how to tackle climate change.</span><br />