time. cnn's will ripley is in pyongyang on his 19th assignment inside north korea. will, despite kim's charm offensive, u.s. intelligence is questioning his nuclear intentions. what's the latest? what are you hearing? >> reporter: wolf, tonight we're learning some are wondering if all of this charm offensive is just kim jong-un putting on a show while continuing to develop his nuclear program, but what is clear, world leaders are now lining up to meet with him from the japanese prime minister to russian president vladimir putin and a major summit happening here in pyongyang next week. north korean leader kim jong-un waited more than six years to make his international diplomatic debut. now, he's getting ready for yet another round. next week, kim meets for the third time with south korean president moon jae-in, a fourth meeting with chinese president xi jinping is reportedly in the works, and the white house says kim is seeking a second summit with president donald trump after writing the president a personal letter.