Volodymyr Zelensky sits with 'That '70s Show' star, who was born in Ukraine, and her husband Ashton Kutcher on sidelines of UNGA as furor over call with Trump builds
House speaker says panels conducting impeachment probe will make sure there's no retaliation against people who provided information in case against president
Democrats' claim of foreign election interference doesn't have to be criminal offense; US Constitution allows for a president to be removed over a broad spectrum of abuses of power
Incendiary complaint says Trump administration scrambled to 'lock down' records of phone conversation in which president pressed for Ukraine to probe Biden
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