Earlier this month, Rudolph W. Giuliani made an unexpected trip to Ukraine, accompanied by a TV crew from One America News Network (OAN), a little-known American channel to the right of Fox News. Giuliani’s mission was to exonerate his client, President Trump, of the charge in the articles of impeachment that he tried to bribe Ukrainian officials into investigating Joe Biden ahead of the 2020 election, and to dig up incriminating information on Biden and his son Hunter.

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