Is there a peaceful way to end North Korea's nuclear threat to the U.S.?

North Korea’s successful launch of an intercontinental ballistic missile capable of reaching the U.S. mainland has resulted in considerable discussion around the planet.

Russian President Vladimir Putin and Chinese President Xi Jinping announced earlier this week that China’s de-escalation plan for the Korean Peninsula could start with the cancellation of large-scale exercises and North Korea’s ballistic missile testing program and lead to multilateral talks.

Previous U.S. presidents have tried various approaches to end North Korea’s nuclear weapons and ballistic missile programs — to no avail...