President Obama has promised Sen. Elizabeth WarrenElizabeth WarrenTrump’s Treasury pick leaves Sears board: report Reeling Dems look for new leader Overnight Finance: Trump takes victory lap at Carrier plant | House passes 'too big to fail' revamp | Trump econ team takes shape MORE (D-Mass.) his support if she runs for the White House, according to the New York Post.

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The story, which led the Post on Sunday, is written by author Edward Klein, who has written several books critical of Obama and former President Bill Clinton and Hillary ClintonHillary Rodham ClintonEric Trump to Arab-American comic: Come on, you really think we'll have a Muslim registry? The Hill's 12:30 Report Wahlberg: Celebs should stop talking about politics MORE.

Klein has also been heavily criticized on the left and right for salacious scoops backed up by thin sourcing.

His latest piece claims that Obama "authorized his authorized his chief political adviser, Valerie Jarrett, to conduct a full-court press to convince Warren to throw her hat into the ring.”

Klein writes that Jarrett "has held a series of secret meetings with Warren. During these meetings, Jarrett has explained to Warren that Obama is worried that if Hillary [Clinton] succeeds him in the White House, she will undo many of his policies.”

Klein's past works have generated criticism from the left and right, with commentators on both sides, from the White House press shop to The Wall Street Journal's Peggy Noonan, accusing him of getting things wrong.

The latest story also met heavy skepticism, though it was also picked up by a number of media outlets.

On Twitter, Buzzfeed's Ben Smith accused Klein of writing a "fake scoop."

Ezra Klein, Vox.com’s editor-in-chief, also weighed in on Twitter.

Edward Klein himself said he ran the story past a “well-informed Democratic operative,” who said it’s “all bulls—t.”

“The media is creating a Hillary Clinton-Elizabeth Warren rivalry to hype the storyline,” that operative reportedly said. “If Warren dared to challenge Hillary, women all over America would never forgive her. She’d lose all her credibility.”

The White House and Warren's office have not commented on Klein's story.