In this campaign ad, GOP candidate Terri Lynn Land sips coffee after asking the viewer to "think about" accusations that she's waging a war on women. Terry Land/YouTube hide caption

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Wendy Rogers was one of the Air Force's first 100 female pilots. Now she's part of the biggest class of female veterans running for Congress. Courtesy Wendy Rogers Campaign hide caption

itoggle caption Courtesy Wendy Rogers Campaign

Then-incumbent Rep. Frank Guinta, R-N.H., and then-Democratic challenger Carol Shea-Porter debate during a Sept. 2012 forum at St. Anselm College in Manchester, N.H. Guinta, who lost to Shea-Porter in 2012, is running for his old seat in 2014. David Lane/AP hide caption

itoggle caption David Lane/AP

House Speaker John Boehner, R-Ohio, leaves after a news conference Thursday on Capitol Hill in Washington. Boehner responded positively to the proposals from President Obama about confronting Islamist militants in Iraq and Syria. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Arkansas Democrat Mark Pryor is fighting for his seat in a state that's grown more Republican. He's campaigning hard at events like this University of Arkansas Razorbacks game. Ailsa Chang/NPR hide caption

itoggle caption Ailsa Chang/NPR

Sen. Kay Hagan, D-N.C., takes questions from the media in April during an appearance in Durham. Hagan has tried for her first 5 1/2 years in the U.S. Senate to convince North Carolina voters that being in the middle of the road is a good thing. Gerry Broome/AP hide caption

itoggle caption Gerry Broome/AP

Speaker of the House John Boehner, R-Ohio, with incoming Majority Leader Rep. Kevin McCarthy, R-Calif., and Rep. Lynn Jenkins, R-Kan., talks with reporters on Wednesday about House Republican plans to deal with the border crisis. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP