An impressive year for Little Rocket Man.
Thus the most serious nuclear crisis since Nikita Khrushchev put missiles in Cuba appears to have abated. Welcome news, even if the confrontation with Pyongyang has probably only been postponed.
Still, we have been given an opportunity to reassess the 65-year-old Cold War treaty that obligates us to go to war if the North attacks Seoul, and drove us to the brink of war today.
2017 demonstrated that we need a reassessment. For the potential cost of carrying out our commitment is rising exponentially.
Two decades ago, a war on the Korean Peninsula, given the massed Northern artillery on the DMZ, meant thousands of U.S. dead.
Today, with Pyongyang's growing arsenal of nuclear weapons, American cities could face Hiroshima-sized strikes, if war breaks out.