Then U.S. Republican vice-presidential nominee Alaska Governor Sarah Palin waves to the crowd after U.S. Republican presidential nominee Senator John McCain (R-AZ) delivered his concession speech at their election night rally in Phoenix, in this file photo taken November 4, 2008. Palin will resign this month and will not run for re-election as governor, CNN reported on July 3, 2009. Reuters Pictures 4 months ago

Then U.S. Republican vice-presidential nominee Alaska Governor Sarah Palin waves to the crowd after U.S. Republican presidential nominee Senator John McCain (R-AZ) delivered his concession speech at their election night rally in Phoenix, in this file photo taken November 4, 2008. Palin will resign this month and will not run for re-election as governor, CNN reported on July 3, 2009.