Robert Benincasa Robert Benincasa is a computer-assisted reporting producer in NPR's Investigations Unit.

Dollar coins gathering dust in the Fed's Baltimore brach. John W. Poole/NPR hide caption

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John W. Poole/NPR

White House Kills Dollar Coin Program

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Texas Gov. Rick Perry saw his fundraising numbers plummet after his September debate performances.

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Jane Liaw Liaw orders coins from the U.S. Mint to earn frequent-flier miles. Jane Liaw hide caption

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Jane Liaw

How Frequent Fliers Exploit A Government Program To Get Free Trips

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Millions of dollars worth of $1 coins languish in a vault at the Federal Reserve Bank of Richmond's Baltimore branch. John W. Poole/NPR hide caption

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$1 Billion That Nobody Wants

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A simulated Canadair Regional Jet flight deck at Embry-Riddle Aeronautical University in Daytona Beach, Fla. Robert Benincasa/NPR hide caption

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Air Safety On Autopilot? Problems Spur Investigation

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President Barack Obama reviews a map of the Upper Big Branch mine 10 days after the deadly explosion that killed 29 mine workers. Also pictured are MSHA coal mine safety chief Kevin Stricklin (at left), Assistant Secretary of Labor Joe Main (second from left) and Labor Secretary Hilda Solis (far right).  Immediately after this meeting, the President promised "to ensure that we're pursuing mine safety as relentlessly as we responsibly can." Pete Souza/The White House hide caption

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Pete Souza/The White House

Labor Dept. Asks Court To Close Massey Mine In Ky.

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Don L. Blankenship, chairman and chief executive officer of Massey Energy Company (left), watches as protesters disrupt a luncheon at the National Press Club, where he spoke on Thursday. Wayne Huang/NPR hide caption

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Wayne Huang/NPR

Mine ventilation issues are critical to running a safe coal mine. Here, a rescuer walks through a blocked tunnel in the Crandall Canyon Mine, northwest of Huntington, Utah, where six coal miners were trapped in 2007. Rick Browmer/AP hide caption

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Rick Browmer/AP

Mine Citations Focus on Ventilation, Fire, Electricity

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A Mexican soldier stands guard as a haul of marijuana and cocaine are incinerated in the background in November 2009. Fighting among the drug cartels — and between government forces and the cartels — has cost nearly 24,000 Mexican lives since late 2006. Jesus Alcazar/AFP/Getty Images hide caption

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Mexico Seems To Favor Sinaloa Cartel In Drug War

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Other Massey Mines Showed A Pattern Of Violations

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