When Moon Jae In meets Kim Jong Un: What can be brought to the table?
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On April 27 (Friday), North and South Korean leaders will have their first meeting since 2007 in the third inter-Korean summit to be held after the 1950-1953 Korean War.
But Friday's sit-down involves not just the two Koreas. It could also impact alliances shaped by the Cold War and upend the security landscape in East Asia - and across the globe.
