North Korean leader Kim Jong Un asked U.S. President Donald Trump to visit Pyongyang for their second summit in July in his letter to Trump, a South Korean newspaper reported Monday, citing a source in Singapore.The JoongAng Ilbo said North Korea and the United States, when their officials met in New York and elsewhere to prepare for Tuesday's Trump-Kim summit in Singapore, also agreed on the need for additional summits.Kim's personal letter was delivered to Trump when Kim Yong Chol, a senior North Korean official who is a close aide to the leader, visited him at the White House in Washingt…READ FULL ARTICLE