Daily Cuts - Escalation on the Korean border — could this trigger something more?

North Korea has blown up transport links at the border with South Korea in an escalation that has further worsened relations and driven further away the prospect of reunification. Hairianto Diman speaks to Rachel Minyoung Lee, Senior Fellow, Korea Program and 38 North at the Stimson Center, to analyse the immediate and near-term impact of the current situation.