The European Union on Sunday closed its airspace to Russian aircraft and banned Russian state media outlets RT and Sputnik, which European Commission President Ursula von der Leyen referred to as “the Kremlin’s media machine.” “They won’t be able to land in, take off or overfly the territory of the EU. Including the private jets of oligarchs,” von der Leyen said of the airspace measures in a tweet that came four days after the start of Russia’s military campaign against Ukraine. Individual EU countries have been announcing bans on Russian planes in its airspace in recent days. Britain has also…