Glide or die, baby. The North Koreans, on a real cavalcade of missile debuts reminiscent of 2017, have tested what they claim to be a hypersonic glide vehicle (HGV). Which means they are just checking off their list of goals, leaving a nuclear powered submarine, a MIRV, and a solid propellant ICBM as the main untested-but-announced capabilities.... While it isn't 100% clear that they actually…
