IMG Academy pitching coach Dave Shepard gives pointers to pitcher Cameron Varga. Chip Litherland for NPR hide caption

itoggle caption Chip Litherland for NPR

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

itoggle caption Chip Somodevilla/Getty Images

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

Jeff Swensen/Getty Images hide caption

itoggle caption Jeff Swensen/Getty Images

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

itoggle caption John W. Poole/NPR

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

itoggle caption Robert Benincasa/NPR

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

itoggle caption Wayne Huang/NPR

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

itoggle caption Jesus Alcazar/AFP/Getty Images