Human Interest

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The race for the 2016 Iowa caucuses is underway, and some of the candidates also ran in 2012. (AP Photo/Dave Weaver)

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In this Nov. 17, 2012 file photo, Adam West arrives at Variety Power of Comedy at Avalon Hollywood in Los Angeles. (Photo by Richard Shotwell/Invision/AP, File)

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In this file April 30, 2012 photo, Eddie Izzard poses for a portrait in Los Angeles. (AP Photo/Richard Vogel, File)

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In this July 2, 2005, file photo, Pink Floyd's Dave Gilmore, left, Roger Waters, second left, Nick Mason, second right, and Rick Wright, appear on stage at the end of their set at the Live 8 concert in Hyde Park, London. (AP Photo/Lefteris Pitarakis, File)

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Former Pennsylvania Sen. Rick Santorum (Associated Press) **FILE**

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(Associated Press/File)

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Sen. Mark Kirk, Illinois Republican, speaks at a Veterans Day commemoration ceremony at Soldier Field in Chicago on Nov. 11, 2014. (Associated Press) **FILE**

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A veteran salutes during a Veterans Day commemoration at the World War II Memorial on the morning of Veterans Day, Washington, D.C., Tuesday, November 11, 2014. The event was hosted by the Friends of the World War II Memorial, the National Park Service and the Military District of Washington host. (Andrew Harnik/The Washington Times) **FILE**

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ADVANCE FOR MONDAY NOV. 10 - In this Oct. 30, 2014 photo, veterinarian Lisa McCargar, right, spays and neuters feral cats, while veterinarian tech Amy Travers helps a feral cat in recovery in a mobile surgery vehicle in Taylors Falls, Minn. (AP Photo/The St. Paul Pioneer Press, Jean Pieri) MINNEAPOLIS STAR TRIBUNE OUT

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Susan B. Anthony List President Marjorie Dannenfelser (Associated Press) ** FILE **

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President Obama points as he participates in the 70th French-American commemoration D-Day ceremony at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France on Friday, June 6, 2014. World leaders and veterans gathered by the beaches of Normandy on Friday to mark the 70th anniversary of World War Two's D-Day landings. (Associated Press) **FILE**

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A woman uses a Hello Kitty umbrella to shelter from the sun while waiting in line for the Hello Kitty Con, the first-ever Hello Kitty fan convention, held at the Geffen Contemporary at MOCA Thursday, Oct. 30, 2014, in Los Angeles. The convention was held to honor the character's 40th birthday. (AP Photo/Jae C. Hong)

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Mark Ruffalo accepts the humanitarian award for his work with Water Defense at the BAFTA Los Angeles Britannia Awards at the Beverly Hilton Hotel on Thursday, Oct. 30, 2014, in Beverly Hills, Calif. (Photo by Chris Pizzello/Invision/AP)

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FILE - This July 25, 2011 file photo shows Hershey's chocolate in Overland Park, Kan. The cost of the ingredients in chocolate is rising, and the nation’s biggest candy makers have already warned that shoppers are going to see price hikes in 2015. (AP Photo/Charlie Riedel, File)