Zelenskyy Threatens to Shut Russian Airspace

Bloomberg's Greg Sullivan describes Zelenskyy's warning that Ukraine could crowd Russian airspace with drones, making it unsafe for civilian flights and bringing war costs closer to Russia. He says Putin remains defiant, peace talks are frozen, and Ukrainian strikes have damaged the Russian economy. The segment also notes Russia's wider economic strain and the uncertain prospects for negotiations. - Zelenskyy threatens to use large drone swarms to crowd Russian skies and effectively shut airspace to civilian traffic. - Ukraine aims to bring the war's costs and disruptions closer to ordinary Russians to pressure Putin. - Putin remains defiant, calls peace talks frozen, and has not backed off maximalist demands. - Ukrainian strikes have caused acknowledged damage to the Russian economy. - Russia's economy is under strain and faced an austerity drive in April. - Background US envoy talks are mentioned but no concrete negotiations are scheduled.