Sen. Elizabeth Warren Elizabeth WarrenHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Democratic senators ask inspector general to investigate IRS use of location tracking service MORE (D-Mass.), a top-polling 2020 presidential candidate, said she would have accepted an offer to take the number two spot on Hillary Clinton Hillary Diane Rodham ClintonFox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio Trump, Biden court Black business owners in final election sprint The power of incumbency: How Trump is using the Oval Office to win reelection MORE's 2016 ticket.

In a wide ranging interview with Bloomberg Businessweek, Clinton campaign officials told the outlet that the 2016 Democratic presidential nominee seriously considered the progressive senator as a running mate.

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At one point, advisers reportedly thought Warren could be the campaign's strongest choice.

When asked whether she would have accepted such an offer, Warren replied with a "Yes," according to the publication.

Warren decided to hold off on endorsing a candidate during the tense primary between Sen. Bernie Sanders Bernie SandersThe Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power Bernie Sanders: 'This is an election between Donald Trump and democracy' The Hill's 12:30 Report: Trump stokes fears over November election outcome MORE (I-Vt.) and Clinton until late in the election when she endorsed her.

Some progressives slammed her Clinton endorsement given that Warren is more ideologically aligned with Sanders.

Warren defended her choice, telling Bloomberg, "I thought it was the right thing to do."

Bloomberg reports Clinton advisers said the former secretary of State had a good rapport with Warren, and thought the progressive senator could have been advantageous to the campaign.

Warren herself now faces Sanders as more than two dozen Democrats vie for the nomination to take on President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE in 2020.

However, she expressed little apparent regret at not ending up as the vice presidential candidate.

"It’s never as good as doing it yourself," she told Bloomberg Businessweek.