Though North Korea’s nuclearization efforts have faded from the headlines, the country has continued to improve its capabilities and can now plausibly reach any location in the continental United States with a nuclear weapon. In the absence of a deal to curb its nuclear and missile programs, North Korea’s arsenal will only grow more lethal.

North Korean leader Kim Jong Un.

North Korean leader Kim Jong Un has abandoned the country’s long-standing policy of seeking peaceful unification with the South. This substantial change in Pyongyang’s inter-Korean policy should not be regarded as mere bluster or rhetoric. It marks a significant and dangerous shift in North Korea’s posture toward the South.