The chairman of the Munich Security Conference, Wolfgang Ischinger, has stressed that Russian leaders are invited to take part in the international talks this weekend. “The chance of us actually arranging meaningful talks on the issue in Munich is of course much greater if an authorized Russian government representative with permission to speak were present,” Ischinger said in Berlin on Monday in comments about the Ukraine crisis. As potential guests, Ischinger mentioned by name Russian Foreign Minister Sergei Lavrov, former president Dmitry Medvedev and incumbent President Vladimir Putin. But…