The whistleblower who filed a complaint about President Trump’s July phone call with Ukrainian President Volodymyr Zelensky is a registered Democrat who had a “prior working relationship with a current 2020 Democratic presidential contender,” a source familiar with the matter tells CBS News.
The nature of the “prior working relationship” remains unclear.


?Political Trivia
Eight moments in political history. Put them on a timeline.
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Five senators. Three bills. Can you guess how they all voted?
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Nine Justices. One case. How did they rule?
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Do you have your finger on the pulse of America?
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Four questions a day.
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A new game every day.