![Rep. Dan Burton, R-Ind., left, celebrates with his wife Samia, as he claimed victory in his primary election in Indianapolis, Tuesday, May 4, 2010. Burton, Indiana's current longest-serving congressman, faced six challengers Rep. Dan Burton, R-Ind., left, celebrates with his wife Samia, as he claimed victory in his primary election in Indianapolis, Tuesday, May 4, 2010. Burton, Indiana's current longest-serving congressman, faced six challengers](https://c8.alamy.com/comp/2NDTKPF/rep-dan-burton-r-ind-left-celebrates-with-his-wife-samia-as-he-claimed-victory-in-his-primary-election-in-indianapolis-tuesday-may-4-2010-burton-indianas-current-longest-serving-congressman-faced-six-challengers-in-the-republican-primary-in-indianas-5th-congressional-district-ap-photomichael-conroy-2NDTKPF.jpg)
Rep. Dan Burton, R-Ind., left, celebrates with his wife Samia, as he claimed victory in his primary election in Indianapolis, Tuesday, May 4, 2010. Burton, Indiana's current longest-serving congressman, faced six challengers
![Rep. Dan Burton, R-Ind., right, and his wife Samia, arrive at his election night celebration in Indianapolis, Tuesday, May 4, 2010. Burton, Indiana's current longest-serving congressman, faced six challengers in the Republican Rep. Dan Burton, R-Ind., right, and his wife Samia, arrive at his election night celebration in Indianapolis, Tuesday, May 4, 2010. Burton, Indiana's current longest-serving congressman, faced six challengers in the Republican](https://c8.alamy.com/comp/2NDTKR2/rep-dan-burton-r-ind-right-and-his-wife-samia-arrive-at-his-election-night-celebration-in-indianapolis-tuesday-may-4-2010-burton-indianas-current-longest-serving-congressman-faced-six-challengers-in-the-republican-primary-in-indianas-5th-congressional-district-ap-photomichael-conroy-2NDTKR2.jpg)
Rep. Dan Burton, R-Ind., right, and his wife Samia, arrive at his election night celebration in Indianapolis, Tuesday, May 4, 2010. Burton, Indiana's current longest-serving congressman, faced six challengers in the Republican
![CORRECTS DATELINE TO PERU, IND. ** Rep. Dan Burton, R-Ind.; Rep. Steve Buyer, R-Ind.; Indiana Lt. Gov. Becky Skillman, Maj. Gen. Martin Umbarger and Rep. Chris Chocola, R-Ind., fro left, talk CORRECTS DATELINE TO PERU, IND. ** Rep. Dan Burton, R-Ind.; Rep. Steve Buyer, R-Ind.; Indiana Lt. Gov. Becky Skillman, Maj. Gen. Martin Umbarger and Rep. Chris Chocola, R-Ind., fro left, talk](https://c8.alamy.com/comp/2PE9D16/corrects-dateline-to-peru-ind-rep-dan-burton-r-ind-rep-steve-buyer-r-ind-indiana-lt-gov-becky-skillman-maj-gen-martin-umbarger-and-rep-chris-chocola-r-ind-fro-left-talk-about-the-next-round-of-base-closures-at-grissom-air-reserve-base-tuesday-march-29-2005-in-peru-ind-grissom-which-was-realigned-into-a-reserve-base-in-1995-after-post-cold-war-military-downsizing-is-one-of-numerous-bases-across-the-nation-being-scrutinized-ap-photokokomo-tribune-tim-bath-2PE9D16.jpg)