The Biggest Party in Pyongyang Will Shape North Korea's Economy

North Korean leader Kim Jong Un has opened the door of his isolated economy a crack to market reforms. Now, as he calls the first congress of the ruling party since 1980, he faces a choice.

Since becoming supreme commander with the death of his father in late 2011, Kim has built his grip on power with purges of senior officials and other provocative actions, including two nuclear tests. But as North Korea loses most of its Cold War benefactors and struggles from a series of droughts and famines, he’s also tiptoed into the realm of private enterprise.