Poland shot down Russian drones with the help of its NATO allies’ military aircraft, it said Wednesday, marking a notable escalation in the tension between Russia and NATO countries since Russia’s war

Poland is closing its border with Belarus on Thursday at midnight local time as a result of Russia-led military exercises taking place in Belarus, Prime Minister Donald Tusk said on Tuesday, amid escalating tensions between Minsk and Warsaw.

But summits and sweatshirts won’t make Russia a superpower. Only a credible show of strength can do that. The war in Ukraine was meant to supply this, but it has instead become a slow-motion demonstration of Russia’s decline—less a catalyst of national revival than a case study in national self-harm.