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 will hold a rally in Grand Rapids, Mich., on Thursday night, his first campaign-style event since 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 concluded his 22-month Russia investigation.

The president is likely to continue his victory lap following the release of a four-page summary from Attorney General William Barr Bill BarrProsecutor says no charges in Michigan toilet voting display Judge rules Snowden to give up millions from book, speeches The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE on Sunday that said the Mueller report did not find that the Trump campaign colluded with the Russian government. Barr also said Mueller did "'not conclude that the President committed a crime'" but also did not exonerate Trump on obstruction of justice.

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Here are five things to watch at the rally, which is scheduled to begin at 7 p.m. EDT.

Does Trump sound like he is out for revenge?

The president has been exuberant in the wake of Barr's summary, declaring the report a "complete exoneration."

Trump is expected to use Thursday's rally to turn Mueller's core conclusions into a political cudgel and whip his supporters into a frenzy as he targets those behind the investigation for retribution.

"We can never allow this treasonous — these treasonous acts to happen to another president," Trump told Fox News host Sean Hannity on Wednesday night. "This was an attempted takeover of our government, of our country, an illegal takeover."

In the same interview, he suggested House Intelligence Committee Chairman Adam Schiff Adam Bennett SchiffChris Matthews ripped for complimenting Trump's 'true presidential behavior' on Ginsburg Trump casts doubt on Ginsburg statement, wonders if it was written by Schiff, Pelosi or Schumer Top Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence MORE (D-Calif.) should be "forced out of office," slammed 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 CIA Director John Brennan John Owen BrennanJournalism or partisanship? The media's mistakes of 2016 continue in 2020 Comey on Clinton tweet: 'I regret only being involved in the 2016 election' Ex-CIA Director Brennan questioned for 8 hours in Durham review of Russia probe MORE for their early involvement in the Russia investigation, and said he "absolutely" plans to declassify and release surveillance applications related to the probe.

Trump may even go after his 2016 Democratic opponent, former Secretary of State Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE. Such a move would draw certain pushback from Democrats and ethics officials who have warned against politically motivated investigations, but would appeal to his supporters, who tend to break into chants of "lock her up."

How does he approach the 2020 election?

Thursday's rally will be Trump's first since mid-February. Since then, the field of 2020 Democratic candidates has expanded, with Sen. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.) and former Rep. Beto O'Rourke Beto O'RourkeJimmy Carter says his son smoked pot with Willie Nelson on White House roof O'Rourke endorses Kennedy for Senate: 'A champion for the values we're most proud of' 2020 Democrats do convention Zoom call MORE (D-Texas) jumping into the race.

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The president has used past rallies to belittle Sens. Elizabeth Warren Elizabeth WarrenHarris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda Judd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report MORE (D-Mass.) and 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.), among other 2020 contenders. He'll likely utilize the Michigan event to define his potential opponents with derisive nicknames, highlight their personal gaffes and label progressive policies as "socialist."

In addition, the president may seek to get a head start on appealing directly to voters about his 2020 candidacy, as Michigan will be critical to his reelection bid. He won the state in 2016 by roughly 11,000 votes.

Trump, who rarely misses a chance to credit his administration with positive economic developments, will likely harp on low unemployment and recent investments by Fiat Chrysler, Ford and others in the state to make the case that voters would benefit from another four years of his presidency.

Does he allude to pardons?

Trump has insisted he's not focused on whether to issue pardons to his former associates implicated in the special counsel's investigation, but has repeatedly expressed sympathy for the likes of former national security adviser Michael Flynn and former Trump 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.

"It's a very, very sad thing," Trump told Hannity on Wednesday. "I don't want to talk about pardons now but I can say, it’s so sad on so many levels."

The White House and Trump's attorneys downplayed possible pardons as the special counsel's probe played out, but now that it's reached its conclusion the president could be more publicly receptive to the idea.

Conservatives have advocated for Trump to pardon Flynn, who pleaded guilty in late 2017 to lying to the FBI, and former Trump campaign aide George PapadopoulosGeorge Demetrios PapadopoulosTale of two FBI cases: Clinton got warned, Trump got investigated Trump says he would consider pardons for those implicated in Mueller investigation New FBI document confirms the Trump campaign was investigated without justification MORE said this week his lawyers have asked the president for a pardon.

While Trump is unlikely to declare his intentions Thursday, he could further signal that he's considering the idea.

Does he seize on health care?

Trump caught many Republicans off guard this week when he declared the GOP would be known as "the party of great health care."

The president clearly sees the issue as a political winner. He sought to assure voters ahead of the 2018 midterms that Republicans would protect those with pre-existing conditions, and the Justice Department is backing a legal effort to strike down the Affordable Care Act in its entirety.

But it's also a potentially perilous point of focus, as Democrats campaigned during the 2018 midterms and ultimately picked up 40 seats in the House, largely by hammering Republicans over their votes to repeal the 2010 Affordable Care Act.

Trump has frequently railed against his predecessor's signature legislation, but he has not offered an alternative other than to promise "a plan that is far better than ObamaCare."

Marc Short, chief of staff for Vice President Pence, said Wednesday evening that Trump will propose a health care plan to Congress sometime this year. He did not offer many specifics, leaving open the possibility Trump may make some promises of his own on Thursday.

Will Trump have any surprises?

The president's campaign rallies are often unpredictable events, with the president liable to go off script, make news with off-the-cuff remarks or weigh in on seemingly unrelated topics.

He might bring guests up on stage to sing his praises, or conversely could create fresh headlines by once again attacking the late Sen. John McCain John Sidney McCainCindy McCain endorses Biden: He's only candidate 'who stands up for our values' Biden says Cindy McCain will endorse him Biden's six best bets in 2016 Trump states MORE (R-Ariz.) or an unexpected target.

The length of Trump's rally could itself exceed expectations. While Trump is scheduled to depart the venue at 8 p.m. for a flight to Florida, his campaign events tend to run long.

Earlier this month, Trump spoke for roughly two hours at the Conservative Political Action Conference. Even though it was not a traditional campaign event, the extended free-wheeling remarks underscored the president's penchant to surprise when he takes the stage in a room full of supporters.