Germany’s defense minister, Boris Pistorius, has voiced skepticism about the viability of a ‘drone wall’ proposed by countries on the EU and NATO eastern flank to defend against aerial incursion from Russia and Belarus. Plans for a common air defense system in the east of the bloc will be on the agenda of an informal EU summit in Copenhagen on Wednesday. JOIN US ON TELEGRAM Follow our coverage of the war on the @Kyivpost_official . The idea of a ‘ drone wall ’ to provide a cohesive pan-national