To understand how North Korea policy has become a diplomatic no-man's land empty, hopeless and likely to stay that way, if recent pronouncements by U.S. Secretary of State John Kerry are any indication it helps to visit the physical no-man's land of the Demilitarized Zone (DMZ).
For now, expect small but crucial steps like rebuilding rail links severed by the demarcation line along the 38th parallel, inside the demilitarized zone, a 4-km-wide no-man's-land between North and South.