Former Alaska Gov. Sarah Palin stands near her tour bus outside a hotel in Boston on June 2. Steven Senne/AP hide caption

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At a 1993 demonstration in New York, gay rights advocates voiced their opposition to the military policy that became "don't ask, don't tell." Porter Gifford/Getty Images hide caption

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President Obama's tax deal with the Republicans has infuriated House Democrats. Mandel Ngan/Getty Images hide caption

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Perriello heard from his constituents -- many of them complaining -- when he supported President Obama's health care overhaul. Alex Wong/Getty Images hide caption

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