Joe Manchin, D-W.Va., announced Friday he will vote against confirming Neera Tanden as the next Office of Management and Budget director because of her past comments on social media criticizing lawmakers.
Manchin's opposition puts Tanden's confirmation in jeopardy, given the slim Democratic majority in the Senate and GOP opposition to her nomination.
Other critics couldn't help but contrast his objection to Tanden with his support with openly partisan Republicans, some of whom made comparable if not more incendiary remarks.
Biden told reporters as he returned to Washington from a trip to MI he was not pulling her nomination.
Sanders likely made Tanden feel uncomfortable in her Senate confirmation hearing, confronting her on her "vicious attacks" against both Republicans and progressives on Twitter, including "me, personally". Joe Manchin revealed he would vote against her. Bernie Sanders (I-Vt.) convinced him that she was not the right person for the job.
"The fate of the nomination is now in the hands of a party that Ms. Tanden has frequently criticised in the past, particularly moderate Republicans she has previously scorned".
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In a statement, Manchin said that Tanden's "overtly partisan statements will have a toxic and detrimental impact on the important working relationship between members of Congress and the next director of the Office of Management & Budget".
The confirmation team has also been speaking with outside interest groups, including Asian American and Pacific Islander (AAPI) organizations, the business community, women business leaders, and labor unions, to drum up support for her nomination, the source said.
If Tanden's nomination fails, that could further delay the development of Biden's fiscal 2022 federal budget proposal, which is already behind schedule and which is the first step in the funding process for the next fiscal year beginning October 1.
Tanden would be the first woman of color to head the Office of Management and Budget, an agency that is critical to the execution of the administration's economic and policy agendas. "I would say social media does lead to too many personal comments and my approach will be radically different".
The tweets in question include posts in which she called McConnell "Moscow Mitch" and "Voldemort", called Senator Tom Cotton a fraud, and claimed that compared to Senator Ted Cruz, vampires have more heart.
Ms. Tanden apologised to Senators during her confirmation hearings this month.