From ‘Punk Kid’ to 21st Century Tyrant: Kim Jong Un Seizes His Moment

North Korean dictator goes on a diplomatic blitz after saber-rattling won him a coveted nuclear summit with President Donald Trump

If North Korea’s propaganda machine is to be believed, “Supreme Leader” Kim Jong Un comes from a long line of mythical heroes.

His grandfather was the greatest genius ever to have walked the Earth. His father was a prodigy in all areas, proving himself a crack pistol shot—on horseback—by age 5.

So International Olympic Committee President...