2018: Living with a nuclear North Korea

A year of erratic U.S. rhetoric and steadily escalating diplomatic and economic pressure has failed to convince North Korea to give up its nuclear and ballistic missile programs, leaving the frustrated Trump administration to reconsider its options going into 2018 as the world wonders whether it’s on the edge of war. Watch Yahoo News Chief Washington Correspondent Olivier Knox discuss the possible paths forward to preventing or learning to live with a nuclear North Korea.