Joe Biden phone calls PROVE corruption in Ukraine NOT a conspiracy... So WHERE is the investigation?

Politicians in Ukraine are investigating whether or not Joe Biden acted criminally by interfering with government there, so where is the investigation here? Last year, the mainstream media did everything they could to convince the American public that former Ukrainian Prosecutor General Shokin was fired because of his KNOWN corruption and malpractice, and not because Biden forced his resignation due to an investigation into Burisma and his son, Hunter. But new leaked phone calls PROVE the exact