After a one-on-one meeting and an expanded bilateral working session with senior aides from the United States and North Korea in Singapore Monday, President Donald Trump and Chairman Kim Jong Un officially established a new relationship under a joint agreement of the eventual denuclearization of the regime. "President Trump and Chairman Kim Jong Un conducted a comprehensive, in-depth, and sincere exchange of opinions on the issues related to the establishment of new U.S.–DPRK relations and the building of a lasting and robust peace regime on the Korean Peninsula.  President Trump committed to provide security guarantees to the DPRK, and Chairman...