Korean leaders seek to control optics at historic summit

South Koreans pose for the media as they hold a banner showing the pictures of South Korean President Moon Jae-in, left, and North Korean leader Kim Jong Un to welcome the planned summit between South and North Koreas near the presidential Blue House in Seoul, South Korea, Thursday, April 26, 2018. Seoul says North Korean leader Kim Jong Un and South Korean President Moon-Jae-in will plant a tree together and inspect an honor guard after Kim walks across the border for the leaders’ historic summit. The letters read ” Peace, A New Start.” (AP Photo/Lee Jin-man)

SEOUL, South Korea — Kim Jong Un will be in uncharted territory when the third-generation autocrat walks across the border and into the southern half of the Demilitarized Zone separating the rival Koreas on Friday to greet South Korean President Moon Jae-in.