Impeach him?

That is the question for the Democratic majority in the House.

Last week, Speaker Nancy Pelosi Nancy PelosiPelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare House lawmakers reach deal to avert shutdown Centrist Democrats 'strongly considering' discharge petition on GOP PPP bill MORE (D-Calif.) said she is against impeachment unless Democrats and Republicans come together and call for it. She is rejecting what the GOP did to President Clinton — impeachment with no plausible path to a Senate vote to remove him from office.

This means the key is Republican opinion.

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Democrats are ready to go.

Sixty-six percent of Democrats told a Quinnipiac University poll released this month that Congress “should begin the process to impeach President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE.”

But among Republicans, only 6 percent said it is time for impeachment.

In fact, just 21 percent of Republicans believe special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE’s investigation into possible conspiracy between the Trump campaign and Russia is legitimate, according to a December Quinnipiac poll.

That fits with an NPR/Marist poll, also from December, that found 71 percent of Republicans stand by the president’s claim that he is the victim of a “witch hunt.”

Now for a dose of reality.

That same poll found “a majority of independents and 4 in 5 Democrats see Special Counsel Robert Mueller’s investigation as ‘fair.’”

That means all that stands between Trump and impeachment hearings is a thin but unbending reed of support from the declining number of Americans who identify as Republicans.

More than a few formerly loyal Republicans have departed as the GOP has become the Party of Trump.

The result is that Trump can point to support among the remaining Republicans as sky high, near 90 percent, and claim to be the most popular Republican in history.

This political distortion remains a stubborn reality even as Gallup’s most recent poll has Trump’s approval rating among all Americans dropping to only 39 percent.

Megan Brenan of Gallup wrote that “approval of Trump remains sharply polarized — 90 percent of Republicans, 33 percent of independents and 4 percent of Democrats currently approve.”

Even in the face of guilty pleas, convictions and evidence of repeated contacts between Russians and Trump campaign officials, the Trump media and his political supporters reflexively revert to giving blind support to the president.

Somehow they don’t see that Trump’s former campaign chairman, Paul Manafort Paul John ManafortOur Constitution is under attack by Attorney General William Barr Bannon trial date set in alleged border wall scam Conspicuous by their absence from the Republican Convention MORE, and his former personal lawyer, Michael Cohen Michael Dean CohenA huge deal for campaign disclosure: Trump's tax records for Biden's medical records Our Constitution is under attack by Attorney General William Barr Eric Trump says he will comply with New York AG's subpoena only after Election Day MORE, are on their way to jail.

They dismiss the reality that Cohen now describes Trump as a “racist,” a “con man,” and a “cheat.”

After that testimony, polls found more Americans believe Cohen than believe Trump.

But once again, Trump’s faithful stayed behind the president.

To get a clear picture of the current grip Trump has on what remains of the GOP, take another look at the Quinnipiac poll this month. Eighty-nine percent of Democrats said Trump “committed crimes before he became president.”

But 48 percent of Republicans say that is not true.

This is not just a political difference of opinion between Republicans and Democrats.

“Every other listed party, gender, education, age and racial group says by wide margins that Trump committed crimes,” Quinnipiac reported.

To tune into Trump’s defenders — online, on radio and on television — is to hear the president portrayed as a man hunted by a mob of Democrats, elites, ‘Deep State’ actors in the FBI and CIA, and even Republicans from Mueller to former FBI director James Comey James Brien ComeyDemocrats fear Russia interference could spoil bid to retake Senate Book: FBI sex crimes investigator helped trigger October 2016 public probe of Clinton emails Trump jabs at FBI director over testimony on Russia, antifa MORE and former Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsGOP set to release controversial Biden report Trump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status MORE.

Last week, however, some light made its way through Trump’s iron curtain.

He lost a slice of Republican support in the House and Senate as both chambers voted to disapprove of his declaration of a national emergency after Congress turned down his request for money to build a border wall.

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This was a rare rebuke of the president by the Republican-controlled Senate. And it wasn’t just moderates like Maine’s Sen. Susan Collins Susan Margaret CollinsSenate GOP aims to confirm Trump court pick by Oct. 29: report The Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Senate GOP sees early Supreme Court vote as political booster shot MORE and Alaska’s Sen. Lisa Murkowski Lisa Ann MurkowskiSenate GOP aims to confirm Trump court pick by Oct. 29: report Senate GOP sees early Supreme Court vote as political booster shot Pence defends Trump's 'obligation' to nominate new Supreme Court justice MORE. Conservatives who are normally allies of the president, such as Sens. Marco Rubio Marco Antonio RubioOvernight Defense: Pentagon redirects pandemic funding to defense contractors | US planning for full Afghanistan withdrawal by May | Anti-Trump GOP group puts ads in military papers Democrats step up hardball tactics as Supreme Court fight heats up Press: Notorious RBG vs Notorious GOP MORE (Fla.), Roger Wicker Roger Frederick WickerBottom line Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll Shakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' MORE (Miss.) and Pat Toomey Patrick (Pat) Joseph ToomeyAppeals court rules NSA's bulk phone data collection illegal Dunford withdraws from consideration to chair coronavirus oversight panel GOP senators push for quick, partial reopening of economy MORE (Pa.), also broke with him.

Once again, the Trump echo chamber got busy attacking Republicans who voted their conscience, deriding them as weaklings.

So Pelosi has a point when she predicts that impeaching Trump would be “divisive to the country.”

Respectfully, Speaker Pelosi, the Constitution says Congress has a duty to impeach the president if it finds that he has committed “high crimes and misdemeanors.” There is no exception stating “unless it divides the country.”

And Pelosi can’t stop the approaching 2020 primaries.

Aided by the subpoena power of House Democrats, new information about the president’s business dealings, both foreign and domestic, is likely to raise eyebrows during the campaign, even among Trump’s myopic loyalists.

In addition, the GOP will also be defending 22 Senate seats to keep their majority in 2020. Do those 22 senators really want their careers to come down to a referendum on Trump?

Impeachment might not seem so divisive a short time from now.

Juan Williams is an author, and a political analyst for Fox News Channel.