Moving to withdraw her name from among those being considered to be the next secretary of state, embattled U.N. Ambassador Susan Rice has told President Obama she does not want to be nominated.

The White House just released a statement from the president that says, in part:

"Today, I spoke to Ambassador Susan Rice, and accepted her decision to remove her name from consideration for Secretary of State. For two decades, Susan has proven to be an extraordinarily capable, patriotic, and passionate public servant. As my Ambassador to the United Nations, she plays an indispensable role in advancing America's interests. ...

"I am grateful that Susan will continue to serve as our Ambassador at the United Nations and a key member of my cabinet and national security team, carrying her work forward on all of these and other issues. ...

"While I deeply regret the unfair and misleading attacks on Susan Rice in recent weeks, her decision demonstrates the strength of her character, and an admirable commitment to rise above the politics of the moment to put our national interests first. The American people can be proud to have a public servant of her caliber and character representing our country."

NBC News broke the story, minutes before the White House statement was released, reporting that:

"Embattled U.N. envoy Susan Rice is dropping out of the running to be the next secretary of state after months of criticism over her Benghazi comments, she told NBC News on Thursday.

" 'If nominated, I am now convinced that the confirmation process would be lengthy, disruptive and costly — to you and to our most pressing national and international priorities,' Rice wrote in a letter to President Obama, saying she's saddened by the partisan politics surrounding her prospects."

Rice has been the target of sharp criticism from many Republicans because of what they have charged were misleading statements she made in the days after the Sept. 11 attack on the U.S. mission in Benghazi, Libya, in which the ambassador and three other Americans were killed. Critics say she downplayed the role that terrorists played. The administration says she relied on information provided by the intelligence community.

Secretary of State Hillary Rodham Clinton has said she plans to step down sometime in the coming months. Among others thought to be leading contenders for the job is Sen. John Kerry, D-Mass.

Update at 4:05 p.m. ET. The Letter:

We've put a copy of Rice's letter to the president online, and you can read it in the box below. Click on the title — "Susan Rice Letter" — to pop up a larger view.

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