President George W. Bush signs tax cut legislation on June 7, 2001. The cuts from this and a subsequent bill are set to expire at the end of 2012. Stephen Jaffe/AFP/Getty Images hide caption

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Mitt Romney speaks at a campaign stop in Roxbury, Mass., on Thursday. Evan Vucci/AP hide caption

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Josh Walling and Randi Cartmill with their children, Jacqueline, Josh and Ryan. Josh Walling says his family, whose household income is below the national median, would lose a substantial amount of money if the Bush tax cuts expired. Courtesy of Randi Cartmill hide caption

itoggle caption Courtesy of Randi Cartmill

Abel Maldonado, a former California state senator and current congressional candidate, pushed for the change to the top-two primary system. He says he thinks the system will lead to "more open-minded and more reasonable" officials. Spencer Platt/Getty Images hide caption

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