The U.S. House Judiciary Committee heard from four witnesses on Wednesday as the next phase of President Trump’s impeachment hearings begin.

Testimony began at 10 am on Capitol Hill.

The House released a sweeping impeachment report Tuesday outlining evidence of what it calls the president’s wrongdoing toward Ukraine, findings that will serve as the foundation for debate over whether the 45th president should be removed from office.

On Tuesday, the House Intelligence Committee presented its report to the full House, which voted, along party lines, to adopt it late Tuesday night.

»MORE: How does impeachment work?

The Judiciary Committee is the committee that would draft articles of impeachment if the Democratic leadership in the House decides to move forward with impeaching Trump.

Georgia U.S. Rep. Doug Collins (R-9) is the committee's ranking Republican. Georgia Democrats on the committee are U.S. Reps. Hank Johnson (D-4) and Lucy McBath (D-5).

U.S. Rep. Doug Collins is the ranking Republican on the House Judiciary Committee. Elected to Congress in 2012, Collins represents north Georgia's 9th district. He has become one of President Trump's most ardent supporters ... and one of the most vocal critics of Democrat-led impeachment efforts. The president asked Georgia Gov. Brian Kemp to appoint Collins to replace the retiring Sen. Johnny Isakson. Kemp is appointing business executive Kelly Loeffler instead. Regardless, Collins may run for the Senate

U.S. Rep. Jerry Nadler (D-NY) is chairman of the committee.

U.S. Rep. Jerry Nadler is chairman of the House Judiciary Committee. Nadler’s committee began impeachment hearings on President Donald Trump on Dec. 4, 2019. Nadler has represented several different New York congressional districts since 1992. Now overseeing President Trump’s impeachment hearings, Nadler once described President Bill Clinton’s impeachment as a “partisan railroad job.” Nadler is frequently listed as one of the U.S. House’s most liberal members.

Those who testified Wednesday were Harvard Law School professor Noah Feldman; Stanford University professor Pamela S. Karlan; and University of North Carolina law professor Michael Gerhardt. Those three witnesses were chosen by Democrats, while George Washington University Professor Jonathan Turley was chosen by Republicans.

»READ: Which U.S. presidents have faced impeachment?

The 300-page report from Democrats on the House Intelligence Committee makes the case that Trump misused the power of his office and, in the course of their investigation, obstructed Congress by stonewalling the proceedings. Based on two months of investigation, the report contains evidence and testimony from current and former U.S. officials.

New Poll Says 70% of Americans Think Trump's Ukraine Actions Were 'Wrong'.According to a new poll conducted by ABC News and Ipsos,70 percent of Americans think Donald Trump’s request forUkraine to investigate his political rival was wrong. .51 percent believe that heshould also be impeachedand removed from office.with another 19 percent saying heshould be impeached, but not removed. .As for the impeachment hearings,only 21 percent of Americans said theywere “very closely” following along.67 pe

“The impeachment inquiry has found that President Trump, personally and acting through agents within and outside of the U.S. government, solicited the interference of a foreign government, Ukraine, to benefit his reelection,” the report said.

»MORE: Georgia's Collins takes lead role as impeachment probe enters new stage

“The President engaged in this course of conduct for the benefit of his own presidential reelection, to harm the election prospects of a political rival, and to influence our nation’s upcoming presidential election to his advantage," it said. In doing so, "the President placed his own personal and political interests above the national interests of the United States, sought to undermine the integrity of the U.S. presidential election process, and endangered U.S. national security."

Democrats in the House launched the impeachment inquiry in September to investigate whether Trump abused his power by pressuring Ukrainian President Volodymyr Zelensky to announce investigations into former Vice President Joe Biden and Biden’s son, Hunter, and their connection to a Ukrainian energy company in exchange for an invitation to the White House and a military aid package.

House Judiciary Chairman Jerry Nadler, D-New York, issued an invitation to Trump and his attorneys to attend Wednesday’s hearing.On Sunday night, the White House declined the invitation.