Kent Sorenson says he was paid for his endorsement of Ron Paul in the 2012 presidential campaign — and that the exchange was hidden from the public. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP

Members of Congress are racing to take advantage of "franking" privileges, which allow them to replace postage with their signature. They are not allowed to use franking within 90 days of an election. iStockphoto hide caption

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Senate candidate Michelle Nunn of Georgia is one of several Democratic women making strong election bids. Akili-Casundria Ramsess/AP hide caption

itoggle caption Akili-Casundria Ramsess/AP

Former Internal Revenue Service official Lois Lerner speaks March 5 on Capitol Hill during the House Oversight and Government Reform Committee hearing on the the agency's targeting of Tea Party groups. Lauren Victoria Burke/AP hide caption

itoggle caption Lauren Victoria Burke/AP

Following his defeat in the Virginia GOP primary Tuesday, House Majority Leader Eric Cantor tells reporters he intends to resign his leadership post at the end of July. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Patrick McCoy (right) and Harry Fowler of Schwan's Food Service show off their company's Big Daddy's pizza at the School Nutrition Association's national conference in Chicago in 2007. Brian Kersey/AP hide caption

itoggle caption Brian Kersey/AP