When Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE stands on the elevated dais and looks out onto the House floor Tuesday night, the 45th president will see the faces of a number of Democrats eager to unseat him in 2020.

Sen. Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (D-N.J.), who just launched his presidential bid, will be there at Trump’s State of the Union address, as will Sen. Kamala Harris Kamala HarrisJoe Biden looks to expand election battleground into Trump country Fox's Napolitano: Supreme Court confirmation hearings will be 'World War III of political battles' Rush Limbaugh encourages Senate to skip hearings for Trump's SCOTUS nominee MORE (D-Calif.). Last year, both aggressively grilled Trump’s Supreme Court nominee, Brett Kavanaugh Brett Michael KavanaughGraham: GOP will confirm Trump's Supreme Court nominee before the election Tumultuous court battle upends fight for Senate Fox's Napolitano: Supreme Court confirmation hearings will be 'World War III of political battles' MORE, who likely will be sitting in the front row with his fellow justices.

Trump will also see Democratic Sen. Kirsten Gillibrand Kirsten GillibrandSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Suburban moms are going to decide the 2020 election Jon Stewart urges Congress to help veterans exposed to burn pits MORE from his home state of New York, and Sen. Elizabeth Warren Elizabeth WarrenJudd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report Biden's fiscal program: What is the likely market impact? MORE (D-Mass.), whom Trump frequently mocks as “Pocahontas” for her claims of Native American heritage.

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Reps. Tulsi Gabbard Tulsi GabbardRepublicans call on DOJ to investigate Netflix over 'Cuties' film Hispanic Caucus campaign arm endorses slate of non-Hispanic candidates Gabbard says she 'was not invited to participate in any way' in Democratic convention MORE (D-Hawaii) is running, too, while Rep. Eric Swalwell Eric Michael SwalwellSwalwell calls for creation of presidential crimes commission to investigate Trump when he leaves office 'This already exists': Democrats seize on potential Trump executive order on preexisting conditions Swalwell: Barr has taken Michael Cohen's job as Trump's fixer MORE (D-Calif.) and Sens. Bernie Sanders Bernie SandersJacobin editor: Primarying Schumer would force him to fight Trump's SCOTUS nominee Trump campaign plays up Biden's skills ahead of Cleveland debate: 'He's actually quite good' Young voters backing Biden by 2:1 margin: poll MORE (I-Vt.), Amy Klobuchar Amy KlobucharBattle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates Klobuchar: GOP can't use 'raw political power right in middle of an election' MORE (D-Minn.) and Sherrod Brown Sherrod Campbell BrownBipartisan praise pours in after Ginsburg's death Emboldened Democrats haggle over 2021 agenda Hillicon Valley: Russia 'amplifying' concerns around mail-in voting to undermine election | Facebook and Twitter take steps to limit Trump remarks on voting | Facebook to block political ads ahead of election MORE (D-Ohio) are all weighing bids.

And during the speech, Trump might think that he’s seeing double: Former Housing and Urban Development Secretary Júlian Castro won’t be on hand, but his twin brother, Rep. Joaquin Castro Joaquin CastroHispanic Caucus members embark on 'virtual bus tour' with Biden campaign Hispanic caucus report takes stock of accomplishments with eye toward 2021 Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (D-Texas), probably will.

“It should be great theater as the 2020 hopefuls audition for their base,” freshman Sen. Kevin Cramer Kevin John CramerMomentum growing among Republicans for Supreme Court vote before Election Day On Paycheck Protection Program, streamlined forgiveness is key McConnell shores up GOP support for coronavirus package MORE (R-N.D.), a Trump ally and former House member, told The Hill. “It would be fun to have a caption contest as the cameras pan the heckling section.”

Tuesday’s address in the House chamber will be Trump’s second official State of the Union and third major speech to a joint session of Congress. But it will mark his first State of the Union in a new era of divided government, after Speaker Nancy Pelosi Nancy PelosiTrump puts Supreme Court fight at center of Ohio rally CDC causes new storm by pulling coronavirus guidance Overnight Health Care: CDC pulls revised guidance on coronavirus | Government watchdog finds supply shortages are harming US response | As virus pummels US, Europe sees its own spike MORE (D-Calif.) and the Democrats took back control of the House in a midterms election seen as a referendum on the unpopular and unpredictable president.

A senior administration official nonetheless said Trump is planning to strike a “unifying tone” in his address.

Some issues could get bipartisan applause lines, like lowering prescription drug prices, infrastructure and pressuring China on its trade policies.

“Together we can break decades of political stalemate, we can bridge old divisions, heal old wounds, build new coalitions, forge new solutions and unlock the extraordinary promise of America’s future. The decision is ours to make,” Trump will say, according the official.

If all the 2020 challengers aren’t enough, Pelosi will be sitting just above Trump’s left shoulder, literally breathing down his neck as her committee chairs (sitting in the audience) prepare to launch a slew of investigations into his administration — and several individual Cabinet members who will accompany Trump down the center aisle.

It’ll mark a sea change from Trump’s last two addresses to Congress, where Vice President Pence and then-Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) smiled and applauded behind him throughout.

The two political heavyweights — Trump and Pelosi — have clashed for the past two months over the president’s demand that the Congress approve $5.7 billion for his wall on the southern border. The knock-down, drag-out fight shut down the government for a record 35 days — furloughing 800,000 federal workers, sparking delays at airports and delaying Republicans’ and Democrats’ annual policy retreats.

The State of the Union speech itself became a hostage in the Trump-Pelosi firefight. Pelosi invited and then disinvited Trump to deliver his annual address amid the shutdown. Trump threatened to come to Capitol Hill anyway on Jan. 29, launching an unprecedented standoff between the executive and legislative branches.

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When Trump reopened the government with no new wall funding, caving to Pelosi’s position, the Speaker extended an olive branch, and a second invitation, to Trump for Tuesday.

But the truce seemed to be over as soon as it began, with funding for a handful of federal agencies set to run out again after Feb. 15. Trump has continued to insist Congress deliver him money for his wall; Pelosi has continued to rebuff him.

The real, functional deadline for lawmakers will be on Friday, just three days after Trump appears in the House chamber. Lawmakers on the bipartisan, bicameral conference committee are aiming to complete a deal by the end of this week to give both chambers enough time the following week to send a bill to Trump by the Feb. 15 deadline.

Trump, however, has dismissed the bipartisan committee of negotiators as a “waste of time.”

The president told reporters at the White House on Friday that there is a “good chance” he will declare a national emergency to circumvent Congress and build a wall along the border with Mexico.

“I think there’s a good chance we’ll have to do that,” Trump said.

Trump said people should “listen closely” to his Tuesday address and indicated he'll offer more details about his plan.

Pelosi scoffed at Trump’s dismissal of the conference committee.

“I mean, really, a president who wants to have Congress be completely irrelevant in how we meet the needs of the American people? No, come on,” Pelosi said Thursday.

Pelosi will sit behind him, but Trump will literally have to face the new House Democratic majority resisting his agenda as he speaks.

Scores of female House Democrats are expected to offer a sea of white in the crowd to show solidarity with suffragettes. A spokeswoman for the chairwoman of the Democratic Women’s Working Group, Rep. Lois Frankel Lois Jane FrankelShakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' Florida Democrat introduces bill to recognize Puerto Rico statehood referendum Hillicon Valley: Democrats demand answers over Russian interference bulletin | Google Cloud wins defense contract for cancer research | Cyberattack disrupts virtual classes MORE (D-Fla.), confirmed that female lawmakers are being invited to wear white.

They’ll represent the record number of women elected to Congress with the Democratic wave in November who ran against Trump’s agenda.

Other liberals will make a statement by not being in the room at all.

At least two House Democrats, Congressional Black Caucus members Reps. John Lewis John LewisThe Hill's Campaign Report: Biden goes on offense Congress must bolster voting rights and invest in the protection of our election system Ginsburg to lie in state in Capitol on Friday MORE (Ga.) and Hank Johnson Henry (Hank) C. JohnsonFive takeaways as panel grills tech CEOs Lawmakers, public bid farewell to John Lewis Johnson presses Barr on reducing Roger Stone's recommended sentence MORE, (Ga.) won’t be attending.

And it’s possible that others will announce boycotts closer to the date. Fourteen Democrats skipped last year’s State of the Union address, including some Democrats who have called for Trump’s impeachment like Reps. Al Green Alexander (Al) N. GreenThe Memo: Trump's race tactics fall flat Trump administration ending support for 7 Texas testing sites as coronavirus cases spike The Hill's Coronavirus Report: Miami mayor worries about suicide and domestic violence rise; Trump-governor debate intensifies MORE (Texas), Maxine Waters Maxine Moore WatersPelosi: House will stay in session until agreement is reached on coronavirus relief Omar invokes father's death from coronavirus in reaction to Woodward book Business groups increasingly worried about death of filibuster MORE (Calif.) and Steve Cohen Stephen (Steve) Ira CohenTennessee Rep. Steve Cohen wins Democratic primary Democrats exit briefing saying they fear elections under foreign threat Texas Democrat proposes legislation requiring masks in federal facilities MORE (Tenn.).

“I have a problem with defiling the Speaker’s chair in the House of Representatives,” Johnson told the Atlanta Journal-Constitution. “I don’t want to see it lowered, as is what happens when Donald Trump comes to our floor and starts talking about groups of people, particularly Latinos, and disparaging them as a people.”

“I’d rather be somewhere else,” he added.

Other Democrats are trying to send a message with their guests, who will sit in the public galleries overlooking the chamber.

Reps. Bonnie Watson Coleman Bonnie Watson ColemanDemocrats smell blood with new DHS whistleblower complaint New Jersey incumbents steamroll progressive challengers in primaries New Jersey Rep. Bonnie Watson Coleman wins Democratic primary MORE (N.J.) and Jimmy Gomez Jimmy GomezDemocrats call for IRS to review tax-exempt status of NRA Trump says no Post Office funding means Democrats 'can't have universal mail-in voting' Hispanic Caucus asks for Department of Labor meeting on COVID in meatpacking plants MORE (Calif.) invited two immigrants, Victorina Morales and Sandra Diaz, who worked at Trump’s Bedminster, N.J., golf club while they did not have legal status. Diaz is now a legal U.S. resident, while Morales was terminated from her job as a housekeeper in the aftermath of a New York Times report revealing her status.

“I hope that in his State of the Union address, Donald Trump will finally acknowledge the real face of immigrants in this country — women and children fleeing violence, law-abiding, tax-paying people who would do almost anything to be Americans. And if he can’t, I’ve invited Victorina so that he may look her in her eyes to tell his lies to a familiar face,” Watson Coleman said in a statement.

Swalwell, meanwhile, invited Parkland shooting survivor Cameron Kasky, one of the most outspoken student gun control activists since last year’s massacre. Kasky frequently criticizes Trump.

It’s been more than a decade since a sitting president delivered a State of the Union to an audience with so many people angling to unseat him.

When President George W. Bush delivered his address in 2003, he would have peered down at a handful of lawmakers hoping to oust him from power: Sen. John Kerry John Forbes KerryThe Memo: Warning signs flash for Trump on debates Divided country, divided church TV ads favored Biden 2-1 in past month MORE (D-Mass.), who eventually won the nomination, but also House Minority Leader Dick Gephardt (D-Mo.) and Rep. Dennis Kucinich (D-Ohio), and Sens. John Edwards (D-N.C.), Bob Graham (D-Fla.) and Joe Lieberman (D-Conn.), who was part of the Democratic ticket that lost to Bush in 2000 after a historic court battle.

Only three members of Congress, former Reps. Michele Bachmann Michele Marie BachmannEvangelicals shouldn't be defending Trump in tiff over editorial Mellman: The 'lane theory' is the wrong lane to be in White House backs Stephen Miller amid white nationalist allegations MORE (Minn.), Ron Paul (Texas) and Thaddeus McCotter (Mich.), sought the 2012 GOP nomination to unseat then-President Obama.

But at Obama’s 2015 address, he had a cast of characters in the audience who wanted to succeed the two-term president. They included Sens. Marco Rubio Marco Antonio RubioMurky TikTok deal raises questions about China's role Sunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Florida senators pushing to keep Daylight Savings Time during pandemic MORE (R-Fla.), Ted Cruz Rafael (Ted) Edward CruzThe Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy Murkowski: Supreme Court nominee should not be taken up before election Battle lines drawn on precedent in Supreme Court fight MORE (R-Texas), Rand Paul Randal (Rand) Howard PaulSecond GOP senator to quarantine after exposure to coronavirus GOP senator to quarantine after coronavirus exposure The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill MORE (R-Ky.) and Lindsey Graham Lindsey Olin GrahamGraham: GOP will confirm Trump's Supreme Court nominee before the election Fox's Napolitano: Supreme Court confirmation hearings will be 'World War III of political battles' Grassley, Ernst pledge to 'evaluate' Trump's Supreme Court nominee MORE (R-S.C.).

Trump, however, vanquished them all. In fact, during the 2016 campaign, Trump mocked Rubio’s now-infamous State of the Union GOP response where the senator — suffering from a dry mouth — took an awkward sip of water as the cameras rolled.

Those one-time 2016 GOP presidential rivals have now aligned themselves with Trump. And they likely will be applauding many of his lines on Tuesday.

Jordan Fabian contributed.