Republican presidential candidate, former Massachusetts Gov. Mitt Romney boards his campaign plane at Weyers Cave-Shenandoah Valley Airport in Weyers Cave, Va., Friday, Oct. 5, 2012.

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney boards his campaign plane at Weyers Cave-Shenandoah Valley Airport in Weyers Cave, Va., Friday, Oct. 5, 2012. (AP Photo/Charles Dharapak) less