Korean leaders Kim Jong Un, Moon Jae-in meet for historic summit
North Korean leader Kim Jong Un walked across the border Friday and met South Korean President Moon Jae-in. It's the first time a member of the Kim dynasty has set foot on southern soil since the end of the Korean War in 1953 and the latest bid to settle the world's last Cold War standoff. Isaac Stone Fish, senior fellow at the Asia Society, joins CBSN's Elaine Quijano with an analysis.