The woman President Obama intends to nominate as U.S. ambassador to the United Nations called former Secretary of State Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE “a monster” during the 2008 presidential campaign.

Samantha Power Samantha Jane PowerSupport swells for renaming Edmund Pettus Bridge in Selma to honor John Lewis after his death 'Obamagate' backfires: Documents show Biden, Obama acted properly 'Unmaskings' may be common — and that's the problem MORE, an early supporter of Obama’s who served on his first-term national security team, made the remarks during the heat of the primary fight between Obama and Clinton. She apologized the same day the remarks were made public.

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Power’s 2008 comments were reported inafter Clinton defeated Obama in Ohio’s primary.

“We F***** up in Ohio,” she said. “In Ohio, they are obsessed and Hillary is going to town on it, because she knows Ohio’s the only place they can win.

“She is a monster, too – that is off the record – she is stooping to anything,” Power said.

Power also said the amount of “deceit” Clinton was putting forward “is really unattractive.”

Power quickly apologized for the remarks, saying they “do not reflect my feelings about Sen. Clinton, whose leadership and public service I have long admired.” She then resigned from Obama’s campaign team.

Clinton apparently accepted the apology, as the two worked together during Obama’s first term after the former senator and first lady decided to accept Obama’s nomination of her as secretary of state.

Power had been seen as a favorite to succeed U.S. Ambassador to the United Nations Susan Rice. As part of Obama’s national security team, Power argued in favor of U.S. intervention in Libya.

She served as a special assistant to the president and senior director for multilateral affairs and human rights.