U.S. President Donald Trump says he's leaving for Hanoi on Monday, local time, for his second summit with North Korean leader Kim Jong-un.<br />He tweeted Sunday that the two leaders expect a continuation of the progress made at last June's Singapore summit. <br />He also highlighted the great relationship he has with the North's leader,... praising the support he's received from Chinese President Xi Jinping.<br />President Trump also stressed that the North Korean economy has great potential for growth,... due to its location and people, but only if the regime's abandons its nuclear weapons. <br />
