AdvertisementOpinionOpinion: Moon Jae-In Can Put U.S.-North Korea Negotiations Back On Track. Here's HowSeptember 17, 2018Scott SnyderfacebookEmailA man walks past a giant banner showing a picture of the summit handshake between South Korean President Moon Jae-in and North Korean leader Kim Jong Un, at Seoul City Hall on Sept, 13. Moon will fly to North Korea's capital on Sept. 18 for a third summit with Kim. (AFP/Getty Images)