Precinct Chairwoman Judy Wittkop explains the rules during a 2008 Democratic caucus in Le Mars, Iowa. Dave Weaver/AP hide caption

Ahead of a press conference with Premier Matteo Renzi and Iranian President Hassan Rouhani, wooden panels were erected around some Roman statues in Rome's Capitoline Museums. Giuseppe Lami/AP hide caption

The Knoedler & Company art gallery, shown here in 2010, had been in business since before the Civil War. The gallery permanently closed its doors in 2011. Paul Goguen/Bloomberg via Getty Images hide caption

A long vacant and blighted property was torn down in northwest Rutland this past year. The Rotary Club and other volunteers plan to erect a playground on the property as part of an effort to reclaim a neighborhood hard hit by drugs and crime. Nina Keck/VPR hide caption

Harry Rubenstein talks about memorabilia from different presidential campaigns. Brandon Chew/NPR hide caption

Heidi Cruz, wife of Republican presidential candidate, Sen. Ted Cruz, R-Texas, introduces him during a town hall meeting on Friday, in Wilton, Iowa. Mary Altaffer/AP hide caption

Christina Dimakou (right), a 30-year-old lawyer, works on the Greek island of Lesbos as a guardian for refugee and migrant children who travel alone. Joanna Kakissis/NPR hide caption

Diane Rehm. Courtesy of Penguin Random House hide caption

"I was just in love with the energy," Anderson .Paak says of attending a black Baptist church for the first time. Courtesy of the artist hide caption