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Obama's tribute to outgoing Chief of Staff Rahm Emanuel

1 October 2010 Last updated at 17:16 BST

US President Barack Obama has held a briefing to confirm the departure of Chief of Staff Rahm Emanuel, who has resigned to run for the post of Chicago mayor.

Mr Obama paid tribute Mr Emanuel, praising his service, before announcing that his interim replacement would be Pete Rouse, who served as Mr Obama's chief of staff in the US Senate.