Sen. 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.) is reportedly working to tackle the political flaws revealed during his 2016 Democratic presidential primary challenge to Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE.

Politico on Monday reported that Sanders is working both on his foreign policy operation, in addition to his relationship with the labor movement.

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The Vermont lawmaker is widely considered to be a potential contender for a White House run in 2020.

But one Sanders associate told Politico that he does not view the steps Sanders is taking as groundwork for another presidential bid.

"He is now in a very different position than he’s ever been in before. He’s just stepping into the role,” Ari Rabin-Havt said.

“Let’s be clear: He’s in charge of outreach for the caucus. So when people say he’s doing a better job of reaching out? Well, yeah, he’s doing his job. This is a new phase of his career.”

The news outlet noted that a dozen individuals close to Sanders recognized that his actions could be groundwork for a 2020 bid.