Millions of dollars have been spent on television ads during this campaign cycle. Chip Somodevilla/Getty Images hide caption

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

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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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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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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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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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Mike Mickel is president and CEO of Dominion Aviation, an aviation services and charter operation near Richmond, Va. He praised a move by the federal government to drop a plan for tough new security regulations on general aviation. Robert Benincasa/NPR hide caption

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