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Democrats and Trump: What does it take to impeach a president?

US Democrats have opened a formal impeachment inquiry into President Donald Trump over claims that he sought political help from Ukraine.

But how does the process actually work?

George Washington University law professor Jonathan Turley explains what it takes - and why it's politically risky.

Video by Angélica M Casas

This video was originally published in November 2018

24 September 2019

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