US President Donald Trump is under investigation for putting pressure on Ukraine’s president to investigate his political rival Joe Biden and his son.  On September 24, 2019, US House Speaker Nancy Pelosi opened a formal impeachment inquiry into Trump’s dealings with Ukrainian leader Volodymyr Zelensky.  Trump is accused of abusing his presidential powers to aid his efforts to be re-elected president in 2020.  But amid the impeachment inquiry, Trump also publicly called on China on October 3…