A teenager who was blocked on social media by Elon Musk after tracking the Tesla chief executive officer’s private jet has now started following the private planes of Russian oligarchs. Jack Sweeney, 19, created a Twitter account called “Russian Oligarch Jets” in February amid President Vladimir Putin’s invasion of Ukraine. The account tracks the movements of some of Russia’s wealthiest businessmen, informing account followers of when and where their aircrafts take off and land along with a short summary of flight information, such as the location and duration of each trip. The automated feed posted its first tweet on Sunday, the same day that the United States sanctioned two of Russia’s state-owned banks, the country’s sovereign debt, and elites with close ties to Putin. Prior to the Biden administration’s sanctions, German Chancellor Olaf Sholz announced a freeze on the Nord Stream 2 pipeline, which would carry 55 billion cubic meters of natural gas from Russia to Germany each year. Subsequent “massive and targeted” sanctions …