Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE’s campaign manager says that the Republican presidential front-runner is planning to reach out to supporters of Democratic hopeful Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE, seeking common ground among those backing an outsider candidate.

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"You have two candidates in Donald Trump and Bernie Sanders which have reignited a group of people who have been disenfranchised and disappointed with the way Washington, D.C., and career politicians have run the country," Corey Lewandowski told CNN.

"Bernie Sanders has large crowds — not as large as Mr. Trump's, but large crowds — and so there is a level of excitement there for people about his messaging and we will bring those people in."

Trump, who has never before held political office, and the Vermont senator, a democratic socialist, have sparked enthusiasm among voters disenchanted with the political system.

The two candidates have some similarities in that they both are staunchly opposed to international trade agreements and have vowed to shut down jobs being shipped overseas.

The front-runner may also feel emboldened by some Sanders supporters' animosity toward Democratic front-runner Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE. Actress Susan Sarandon, a Sanders surrogate, said last month that she didn’t know if she’d vote for Clinton over Trump in a general election.

Still, as CNN noted, a Washington Post/ABC News poll found last month that 86 percent of Sanders supporters view Trump unfavorably.