Here are several of the witnesses that the GOP wants to see testify in front of Congress:
Devon Archer – Devon Archer is an American Businessman who was a board member at the same gas company Hunter Biden was a board member at.
Hunter Biden – Hunter Biden is the Son of former Vice-President Joe Biden and is in the midst of a scandal surrounding him and his placement on the board of a Ukrainian Oil company while his father was the Vice-President
Alexandra Chalupa – Chalupa is a former contractor and staffer for the DNC that has her own political consulting firm. She is a Ukrainian American who has been investigating the Trump administration on and off.
David Hale – David Hale is the Under Secretary of State for Political Affairs
Tim Morrison – Tim Morrison was the Top US advisor to the President on issues revolving around Europe and Russia.
Nellie Ohr – Nellie Ohr was involved in the scandal surrounding the original Russia Collusion controversy, namely the creation of the Steele dossier while working for Fusion GPS.
Kurt Volker – Kurt Volker is the former ambassador to NATO and former special representative to Ukraine.