A nuclear missile launcher crashed into a road safety barrier in St. Petersburg, Russia, while en route to a rehearsal of a military parade on Thursday, according to local media reports. The Iskander tactical missile system crashed while it was being transported to the center of the city for rehearsal events ahead of Russia's annual Victory Day on May 9, the commemoration of the defeat of the Nazis in World War II, Russian news outlet Fontanka reported. The Iskander-M is a mobile-guided missile system capable of carrying nuclear weapons, which replaced the SS-23 Spider. A Russian Iskander-M missile launcher parades...