Sarah Palin
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Palin rules out a 2012 run for the White House

6 October 2011 Last updated at 20:03 BST

Sarah Palin has kept the US guessing for weeks whether she would or would not she enter the race for the White House.

But the former Republican senator has now put an end to the speculation by saying she is putting family ahead of presidential ambitions.

The BBC's Ian Pannell reports from Washington.