Wreaths and flowers commemorating those killed in the Crandall Canyon Mine collapse are posted at the mine entrance on Dec. 10, 2007, outside Huntington, Utah. A settlement Thursday includes mine owner Murray Energy's acceptance of four violations considered "contributory" to two fatal August 2007 mine collapses at Crandall Canyon. Douglas C. Pizac/AP hide caption

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Simon Cho of the U.S. celebrates during the 500 meter men's final race at the Short Track Speed Skating World Cup in Dresden in 2011. Jens Meyer /AP hide caption

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Republican presidential candidate Mitt Romney autographs a coal miner's hat during a campaign event Aug. 14 at American Energy Corp. in Beallsville, Ohio. Mary Altaffer/AP hide caption

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Poll Shows Rural Battlegrounds Backing Romney
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Simon Cho of the U.S. celebrates during the 500 meter men's final race at the Short Track Speed Skating World Cup in Dresden in 2011. Jens Meyer /AP hide caption

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U.S. Speedskater Accused Of Sabotaging Rival
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U.S. Female Olympians Outshine Most Countries
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U.S. Women's Soccer Captures 3rd Gold Medal
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U.S. Women's Soccer, Water Polo Team Go For Gold
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Decathlon, Beach Volleyball In Olympic Spotlight
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U.S. water polo players on the bench react during their semifinal match between Australia and the United States at the Water Polo Arena in London. The Americans will play for gold on Thursday. Adam Pretty/Getty Images hide caption

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U.S. Women's Soccer Team To Play For Gold Medal
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South Korea's Kim Min Jung (left) and Ha Jung Eun were among the players disqualified for not trying hard enough. Adek Berry /AFP/Getty Images hide caption

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Runner With Artificial Legs Sprints Past Barrier
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