Kim Jong Un’s nuclear weapons got more dangerous under Trump

US President Donald Trump’s campaign to cut North Korea’s economy off from the world worked. But it also may have accelerated Kim Jong Un’s efforts to build a military less reliant on foreign support. The North Korea awaiting President-elect Joe Biden is more dangerous and more self-reliant, possessing at least three different intercontinental ballistic missiles capable of carrying nuclear warheads to a U.S. city. Kim has over the past two years test-launched a range of new rockets to threaten allied forces closer to home. He’s built a fleet of special trucks needed to deploy such nuclear-ready weapons around the country and is believed to be constructing a submarine to put them to sea. Kim...