Tom Cotton was born in Russellville, Ark. He earned a bachelor's degree from Harvard College and a law degree from Harvard Law School.
He left his law practice to enlist in the Army and served in Iraq and Afghanistan.
Cotton lives in Dardanelle.
Tom Cotton won the 2012 Republican nomination for the 4th Congressional District, helped by a massive war chest and endorsement from leading Republicans and conservative groups. He faces Democratic nominee Gene Jeffress in the race to succeed retiring Democratic Rep. Mike Ross.
Cotton had been mentioned as a potential candidate for the U.S. Senate in 2010, but stayed out of that race. He announced his run for congress after Ross said he would not seek re-election.
With an attractive military resume, Cotton won the support of major conservative groups such as the Club for Growth and Republican figures such as Arizona Sen. John McCain. Despite little name recognition in the sprawling district, he won easily in a three-person contest after bombarding the district with television ads that introduced him to voters.
Cotton has pledged to repeal the 2010 federal health care reform law if elected to Congress. He has also called for cutting federal spending and reforming the nation's tax code.
He faced criticism for his support from outside groups during the 2012 primary. Democrats criticized him shortly after he announced his bid for a column he wrote as a college student that said connecting classrooms and libraries to the Internet was a "horrible idea." Cotton said his feelings about the Internet have changed in the 13 years since he wrote the column.
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Tom Cotton won his May 2014 primary, he will face Mark Pryor in November.
(Last updated by The Associated Press on June 5, 2014.)