Screen grabs of four separate ads from four different political groups critical of President Obama's handling of Solyndra, the failed solar-panel maker. Clockwise from top left, the ads are from: Americans for Prosperity, MittRomney.com, American Crossroads and Crossroads GPS. hide caption

itoggle caption

Former Sen. John Edwards leaves federal court in Greensboro, N.C., Thursday after jurors acquitted him of one felony count and a judge declared a mistrial on five other charges. Sara D. Davis/Getty Images hide caption

itoggle caption Sara D. Davis/Getty Images

Former U.S. Sen. John Edwards addresses the media alongside his daughter Cate Edwards and his parents Wallace and Bobbie Edwards yesterday after the conclusion of his trial on campaign finance charges. Sara D. Davis/Getty Images hide caption

itoggle caption Sara D. Davis/Getty Images

"I Voted" stickers are left ready for voters at a polling station on Jan. 31, the day of Florida's presidential primary, in Tampa. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images