COLUMBIA, S.C. (AP) — Former President Barack Obama, marking the retirement of the woman credited with popularizing the chant “Fired up, ready to go!†that epitomized his campaigns, says her energy played a key role in lifting his spirits and his candidacy.

“It was early in my campaign, and I wasn’t doing that good,†provided to The Associated Press by the Obama Foundation, harking back to a 2007 campaign stop in Greenwood, South Carolina, on a dreary, rainy day.

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