WATCH: 3 of 4 constitutional scholars favor impeachment at hearing
The impeachment investigation into President Donald Trump enters a historic next phase on Wednesday as the House Judiciary Committee holds a hearing on the constitutional grounds for drafting articles of impeachment.
House Democrats have called three legal experts to testify before the committee: Professors Noah Feldman of Harvard Law School, Pamela Karlan of Stanford Law School, and Michael Gerhardt of the University of North Carolina School of Law.
Testifying for Republicans will be Jonathan Turley of The George Washington University Law School.
(MORE: Trump impeachment case enters historic next phase in House Judiciary Committee)
Their opening statements have been made public:
Noah Feldman
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Constitutional scholar Noah Feldman of Harvard University testifies before the House Judiciary Committee in the Longworth House Office Building on Capitol Hill, Dec. 4, 2019, in Washington.
Pamela Karlan
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Constitutional scholar Pamela Karlan of Stanford University testifies before the House Judiciary Committee in the Longworth House Office Building on Capitol Hill Dec. 4, 2019, in Washington.
Michael Gerhardt
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Constitutional scholar Michael Gerhardt of the University of North Carolina testifies before the House Judiciary Committee on Capitol Hill, Dec. 4, 2019, in Washington.
Jonathan Turley
Jacquelyn Martin/AP
George Washington University Law School professor Jonathan Turley gives an opening statement during a hearing before the House Judiciary Committee, Dec. 4, 2019, on Capitol Hill in Washington.