A top House Democrat predicted on Sunday that the lower chamber would move forward with a vote on impeachment against President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE without support from GOP lawmakers.

When asked by CNN’s Dana Bash Dana BashTrump says officials will investigate whether California is using 1619 Project in classrooms Veterans Affairs secretary defends Trump: 'I judge a man by his actions' GOP senator dismisses national intelligence director election security briefings: 'This is blown way out of proportion' MORE on “State of the Union” if he would support a House vote on impeachment without backing from Republican colleagues, Rep. Jim Clyburn James (Jim) Enos ClyburnMcEnany says Trump will accept result of 'free and fair election' Fauci, Black Lives Matter founders included on Time's 100 Most Influential People list Azar to testify before House coronavirus subcommittee MORE (D-S.C.) said, “We would. Absolutely.”

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“I don’t think she was limiting that to the Congress,” he added. “She knows the Congress very well, and she knows how Republican colleagues are prone to vote on these issues within the party.”

Clyburn cited polls showing the American public increasingly supporting an impeachment inquiry. These recent surveys have mainly shown a rise in support of the investigation among independents.

Bash then asked if Clyburn thought GOP lawmakers would change their minds to reflect public opinion.

“Well, that may be true,” he said. “But what’s that level we have to get to for them to have to change?”

Pelosi launched an impeachment inquiry after a whistleblower report surfaced showing President Trump asked the Ukrainian president for an investigation into former Vice President Joe Biden Joe BidenPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Fox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio MORE and his son.

The House voted along party lines last Thursday to support the impeachment inquiry rules. No GOP lawmakers supported the measure in the lower chamber's first vote on the inquiry.

Three House committees have been holding closed-door hearings with former and current Trump officials as part of the inquiry.