Former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE defended his record amid criticism from the left in a Medium post Tuesday.

“The other day I was accused by one of my opponents of running in the wrong primary. Pretty amazing,” Biden wrote, referencing a comment by Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.), whom he did not identify by name.

“On one level, it is kind of funny. I have fought for the Democratic party my whole career. I know what we stand for, who we stand with and what we believe. And it’s not just policies or issues. It’s in my bones. That’s not something everyone in this primary can say,” he added.

ADVERTISEMENT

However, Biden went on to call such criticism a "serious problem” that indicates an “angry, unyielding viewpoint." Echoing language used by South Bend, Ind. Mayor Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE (D), Biden accused his progressive detractors of a “my way or the highway” approach to politics.

“It’s representative of an elitism that working and middle class people do not share: ‘We know best; you know nothing’. ‘If you were only as smart as I am you would agree with me.’ This is no way to get anything done. This is no way to bring the country together. This is no way for this party to beat Donald Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE,” he wrote.

The former vice president defended both his tax plan and his health care plan amid criticism from candidates such as Warren and Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.), both proponents of a wealth tax and "Medicare for All."

Biden also specifically tied his candidacy to House Speaker Nancy Pelosi Nancy PelosiDemocratic senator to party: 'A little message discipline wouldn't kill us' Overnight Health Care: New wave of COVID-19 cases builds in US | Florida to lift all coronavirus restrictions on restaurants, bars | Trump stirs questions with 0 drug coupon plan Overnight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds MORE (D-Calif.) days after she expressed skepticism that Sanders or Warren could win the Electoral College.

“She knows what it took to win back the majority in the House of Representatives. And she doesn’t want to put that majority at risk. She knows what it takes to get big things done. Nancy Pelosi believes we should build on the Affordable Care Act. There has never been a Speaker who was tougher, smarter, or had a bigger vision for this country than Nancy Pelosi,” Biden wrote.