Senator Hillary Rodham Clinton will endorse Senator Barack Obama on Saturday, bringing a close to her campaign for the White House, aides said. Her decision came after Democrats urged her Wednesday to leave the race and allow the party to coalesce around Mr. Obama. (Full article by Adam Nagourney and Jeff Zeleny here.)

Mrs. Clintons aides said she would express her support for Senator Obama and party unity at an event in Washington, D.C., that day. One adviser said that Mrs. Clinton would concede defeat, congratulate Mr. Obama and proclaim him the partys nominee, while pledging to do what was needed to assure his victory.

Her decision came after a day of conversations with supporters on Capitol Hill about her future now that Mr. Obama had clinched the nomination. Mrs. Clinton had, in a speech after Tuesday nights primaries, suggested she wanted to wait before deciding about her future, but in conversations throughout the day Wednesday, her aides said, she was urged to step aside.

The news that Mrs. Clinton was ending her campaign was first reported by ABCNEWS.com.

We pledged to support her to the end, Representative Charles B. Rangel, a New York Democrat who has been a patron of Mrs. Clinton since she first ran for the Senate, said in an interview Our problem is not being able to determine when the hell the end is.

Mrs. Clintons decision came as some of her most prominent supporters including former Vice President Walter F. Mondale announced they were now backing Mr. Obama.
I was for Hillary I wasnt against Obama, who I think is very talented, Mr. Mondale said. Im glad we made a decision and I hope we can unite our party and move forward.

One of Mrs. Clintons aides said they were told that except for her senior advisers, there was no reason to report to work after Friday, and that they were invited to Mrs. Clintons house for a farewell celebration that afternoon.

Jeff Zeleny, Carl Hulse, Michael Luo and David E. Sanger contributed reporting.

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