jamie metzl is . trip to theng a region on thursday. >> it is a crazy time.re is so much happening in asia and it has become more central in the world than it has in hundreds of years. the u.s. is fighting to maintain its rules-based system we have been supporting for 70 years. china is challenging that system in fundamental ways. >> korea, what is the biggest topic therefore the president? >> the big thing in south korea, -- well, two things. one is trade. unhappyed states is with the feeling that south korea has benefited as exports to the united states have gone up. but they don't have enough. that is a big issue. also, south korea and japan are at their worst level of relations in many decades. areif south korea and japan divided, that certainly harms u.s. interests in the region and empowers china. there will be a big push to bring korea and japan together. >> what is the issue with japan and korea geico -- and korea? >> it is historical. koreawas the master of and very brutal. koreans want them to apologize? >> they wanted to apologize and the japanese