Priebus: Trump needs Michigan, Pennsylvania and Wisconsin to win in 2020

Former White House chief of staff Reince PriebusReinhold (Reince) Richard PriebusMick Mulvaney's job security looks strong following impeachment CNN's Harwood on Trump acquittal speech: 'This is somebody in deep psychological distress' Reince Priebus joins CBS News as political analyst MORE warned in an interview that aired Sunday that President TrumpDonald John TrumpSchiff blasts Trump for making 'false claims' about Russia intel: 'You've betrayed America. Again.' Poll: Sanders leads 2020 Democratic field with 28 percent, followed by Warren and Biden More than 6 in 10 expect Trump to be reelected: poll MORE needs to repeat his success in Michigan, Pennsylvania and Wisconsin in 2020 to win reelection.

Priebus told AM 970's "The Answer" that the president's path to victory in 2020 requires reigniting the support he received in working-class communities across the Rust Belt.

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"[Trump] has to win Wisconsin and Michigan," Priebus told host John Catsimatidis. "We have to win Pennsylvania."

"We’re likely to have a battle in Arizona, which is new for the Republican Party. I think we have to be very careful in Georgia," he continued.

The former White House aide and Republican National Committee chairman went on to add that current Democratic front-runners such as Sens. Bernie SandersBernie SandersSchiff blasts Trump for making 'false claims' about Russia intel: 'You've betrayed America. Again.' Buttigieg campaign claims 'irregularities' in Nevada caucuses Poll: Sanders leads 2020 Democratic field with 28 percent, followed by Warren and Biden MORE (I-Vt.), Kamala HarrisKamala Devi HarrisClyburn: Biden 'suffered' from not doing 'enough' in early debates Sanders is a risk, not a winner House to vote on legislation to make lynching a federal hate crime MORE (D-Calif.) and Elizabeth WarrenElizabeth Ann WarrenPoll: Sanders leads 2020 Democratic field with 28 percent, followed by Warren and Biden More than 6 in 10 expect Trump to be reelected: poll Sanders has wide leads in two of three battleground states: survey MORE (D-Mass.) would have trouble winning over working-class voters but that former Vice President Joe BidenJoe BidenButtigieg campaign claims 'irregularities' in Nevada caucuses Poll: Sanders leads 2020 Democratic field with 28 percent, followed by Warren and Biden More than 6 in 10 expect Trump to be reelected: poll MORE would be more successful.

"I think Joe Biden would be a tough candidate in spite of these recent troubles he’s having. I think he’d be a tough candidate for the Democrats," he said.

"But other than that ... these guys are going to have a hard time in Wisconsin and Michigan and Pennsylvania. I don’t see them resonating on top of this universal health care talk and talk about socialism and free everything," he said." This just isn’t going to work for them."

Priebus, who was replaced by former chief of staff John KellyJohn Francis KellyMORE, has remained a vocal supporter of the president and his administration since leaving the political sphere.

In December, it was reported that he had received a recommendation to be commissioned into the Navy by then-Defense Secretary James MattisJames Norman MattisFed chief issues stark warning to Congress on deficits Why US democracy support matters Hillicon Valley: DOJ indicts four Chinese military officers over Equifax hack | Amazon seeks Trump deposition in 'war cloud' lawsuit | Inside Trump's budget | Republican proposes FTC overhaul MORE, who has since left the Trump administration as well.