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While Romney is not expected to attend, his wife, Ann, is scheduled to be there.

Duvall is a longtime Republican supporter, and was a guest of President George W. Bush at his first inauguration. During the 2008 campaign, Duvall provided voiceover work for some of the videos appearing at the GOP convention, and campaigned with Sen. John McCainJohn Sidney McCainKelly leads McSally by 9 points in Arizona McCain's reset: US-Vietnam relations going strong after 25 years Senate outlook slides for GOP MORE (R-Ariz.) in New Mexico.