A man scans a voucher code in with his smartphone. Some food companies use labels like this to provide details about ingredients and manufacturing processes to consumers. iStockphoto hide caption

Sergio Cervetti (left) and Ken Rinker have been together for 50 years. They were legally father and son for 15 years before annulling the adoption to get married in July. Emma Lee/WHYY hide caption

What if Santa ran for president in 2016? Courtesy of Jonathan Mitchell hide caption

International travelers wait to have their passports checked at Chicago's O'Hare International Airport last year. Scott Olson/Getty Images hide caption

Three migrants from Afghanistan walk along the A3 highway shortly after they crossed into Germany on August 30, 2015, near Neuhaus am Inn, Germany. Police detained them shortly after and took them to a registration center for asylum seekers. Germany has welcomed many refugees — but now is discouraging Afghans who are seeking better economic prospects. Sean Gallup/Getty Images hide caption

Fed up with global companies that avoid British taxes by going offshore, shop owners in Crickhowell have come up with a plan to do the same thing. John Clift/Flickr hide caption

Leonardo DiCaprio, as Hugh Glass, bears the elements in a scene from The Revenant. Kimberley French/Courtesy of Twentieth Century Fox Film hide caption

Lorella Praeli speaking to reporters at the White House in Dec. 2014. Praeli, who arrived in the U.S. as an undocumented immigrant, is now a top official in Hillary Clinton's presidential campaign. Jacquelyn Martin/AP hide caption