Sen. Lindsey Graham Lindsey Olin GrahamLincoln Project mocks Lindsey Graham's fundraising lag with Sarah McLachlan-themed video The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election Trump dumbfounds GOP with latest unforced error MORE (R-S.C.) on Wednesday threatened to call former special envoy Kurt Volker Kurt VolkerGOP senators request details on Hunter Biden's travel for probe Yovanovitch retires from State Department: reports Live coverage: Senators enter second day of questions in impeachment trial MORE to testify if House Democrats do not release the full transcript of his testimony behind closed doors last week.

ADVERTISEMENT

The South Carolina senator posted in a tweet that if the Democrats do not produce the transcript, "it will be an abuse of power."

"If this continues, I will call Volker before the Senate Judiciary Committee to testify publicly to ensure the full story is told."

If this continues, I will call Volker before the Senate Judiciary Committee to testify publicly to ensure the full story is told.https://t.co/jNi3KQ3wRB — Lindsey Graham (@LindseyGrahamSC) October 9, 2019

Graham linked to a Fox News report of Rep. Jim Jordan James (Jim) Daniel JordanHouse panel pulls Powell into partisan battles over pandemic Sunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election House passes resolution condemning anti-Asian discrimination relating to coronavirus MORE (R-Ohio) requesting Intelligence Committee Chairman Rep. Adam Schiff Adam Bennett SchiffSchiff to subpoena top DHS official, alleges whistleblower deposition is being stonewalled Schiff claims DHS is blocking whistleblower's access to records before testimony GOP lawmakers distance themselves from Trump comments on transfer of power MORE (D-Calif.) release a transcript of Volker's testimony before the committee about the controversial call between President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE and the Ukrainian president.

House Democrats have launched an impeachment inquiry against Trump after a whistleblower report detailed that in the call with Ukraine President Volodymyr Zelensky, Trump asked for an investigation into 2020 opponent Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE and his son, Hunter. Days before the call, the president withheld military aid to the country, prompting debate over whether there was quid pro quo involved.

Text messages have surfaced that Volker was connecting the president's personal attorney Rudy Giuliani Rudy GiulianiThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting CIA found Putin 'probably directing' campaign against Biden: report Democrats fear Russia interference could spoil bid to retake Senate MORE with Ukrainian officials, prompting him to be called to testify in the House last week.

Volker provided messages to the House showing U.S. officials participating in Trump's requests to dig into Biden's interactions in the country.

Speaker Nancy Pelosi Nancy PelosiDemocratic senator to party: 'A little message discipline wouldn't kill us' Overnight Health Care: New wave of COVID-19 cases builds in US | Florida to lift all coronavirus restrictions on restaurants, bars | Trump stirs questions with 0 drug coupon plan Overnight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds MORE (D-Calif.) has previously hinted that quid pro quo is not necessary to show what the president did was wrong.