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WASHINGTON — Bernie Sanders and Hillary Clinton are tiffing again.

Almost three years after their Democratic primary came to an end, it's clear that tensions are still raw for some in both camps as the Vermont independent senator embarks on his second presidential campaign.

The week began with Sanders and Clinton allies hurling invective at each other through the press over a Politico story about the private jets Sanders requested from Clinton's camp when he stumped for her in the 2016 general election.

In the story, a former Clinton aide derided Sanders as "his Royal Majesty King Bernie Sanders" while a former Sanders aide called Clintonworld "some of the biggest a--holes in American politics" — and those were just the on-the-record quotes that sources were willing to put their name to.

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The week ended Friday with Clinton's spokesperson firing back at Sanders after he said he has no interest in seeking any advice from Democrats' most recent presidential nominee.

"She has not called me," Sanders said, when asked on ABC's "The View" if he, like several other 2020 candidates, would like to meet with Clinton. "Hillary and I have fundamental differences.”

Host Meghan McCain, the daughter of former Republican senator and presidential nominee John McCain, appeared startled and pressed again to make sure he really had no interest in seeking the counsel of someone who has also served as secretary of state, senator and first lady.

"I think not," Sanders repeated, while acknowledging that Clinton has "played a very important role in modern American politics" and saying he would support whomever Democrats nominate.

Clinton's longtime spokesperson, Nick Merrill, did not let the snub stand.

I don’t know who our nominee is going to be but I am damn sure that beating Trump & getting America back on the right footing is going to require a unified Democratic Party, so crap like this 613 days before Election Day is irresponsible, counter-productive, & sets us all back. https://t.co/LVdqeNcdJB — Nick Merrill (@NickMerrill) March 1, 2019

Merrill went on to suggest Sanders was being hypocritical for distancing himself from Clinton now after his allies touted his work for her just days ago in the private jet story.

"(W)hen it served his own purposes a week ago @BernieSanders was more than happy to tout his @HillaryClinton ties," Merrill added, attaching a photo of a letter Clinton sent thanking Sanders for his help in 2016.

Clinton won the 2016 Democratic primary with some 16 million votes to Sanders' roughly 12 million, so he would likely need to bring many of her supporters into his fold to win the nomination this time.

In her post-campaign memoir, "What Happened," Clinton wrote that Sanders' attacks on her "caused lasting damage, making it harder to unify progressives in the general election and paving the way for Trump’s 'Crooked Hillary' campaign."

CORRECTION (March 2, 2019, 11:20 a.m.): An earlier version of this article misidentified the ABC program on which Sanders said Clinton had not called him. It was “The View,” not “This Week.”