won by a margin of 53% to Carson's 42%. While Carson routed Coburn in the generally heavily Democratic 2nd District, Coburn swamped Carson in the Oklahoma City metropolitan area and the closer-in Tulsa suburbs. Coburn won the state's two largest counties, Tulsa and Oklahoma, by a combined 86,000 votes, more than half of his overall margin of 166,000 votes cast. Coburn's Senate voting record was as conservative as his House record. Coburn was re-elected in 2010. He received 90% of the vote in the Republican primary and 70% in the general election. While he already planned on not seeking a third term in the Senate due to his self-imposed two-term term limit, on January 16, 2014, Coburn announced he would resign his office before his term ended at the end of the year due to his declining health. On April 29, 2014, Coburn introduced the Insurance Capital Standards Clarification Act of 2014 (S. 2270; 113th Congress) into the Senate and it passed on June 3, 2014. Use of Senate hold Coburn used the Senate hold privilege to prevent several bills from coming to the Senate floor. Coburn earned a reputation for his use of this procedural mechanism. In November 2009 Coburn drew attention for placing a hold on a veterans benefits bill known as the Veterans' Caregiver and Omnibus Health Benefits Act. Coburn also placed a hold on a bill intended to help end hostilities in Uganda by the Lord's Resistance Army. On May 23, 2007, Coburn blocked two bills honoring the 100th birthday of Rachel Carson. Coburn called Carson's scientific work "junk science," proclaiming that Carson's landmark book Silent Spring was "the catalyst in the deadly worldwide stigmatization against insecticides, especially DDT." Democratic Senator Benjamin L. Cardin of Maryland had intended to submit a resolution celebrating Carson for her "legacy of scientific rigor coupled with poetic sensibility," but Coburn blocked it, saying that "the junk science and stigma surrounding DDT—the cheapest and most effective insecticide on the planet—have finally been jettisoned." In response to Coburn's holds, Senate Majority Leader Harry Reid introduced the Advancing America's Priorities Act, , in July 2008. S. 3297 combined thirty-five bills which Coburn had blocked into what Democrats called the "Tomnibus" bill. The bill included health care provisions, new penalties for child pornography, and several natural resources bills. The bill failed a cloture vote. Coburn opposed parts of the legislation creating the Lewis and