A man walks past a makeshift memorial for French Muslim policeman Ahmed Merabet near the site where he was shot dead by gunmen, close to the headquarters of the French satirical weekly Charlie Hebdo. Joel Saget/AFP/Getty Images hide caption

The Green-Meldrim House in Savannah, Ga., is where Gen. William T. Sherman held meetings with local black leaders, creating the plan later known as "40 acres and a mule." Sarah McCammon/NPR hide caption

Veronica Ramirez holds her 15-month-old son, Lora, as she waits in line Monday to apply for a new municipal identification card at the Bronx Library Center in New York. Mark Lennihan/AP hide caption

Ephraim Benton, a former resident of Tompkins Houses in the Bedford-Stuyvesant section of Brooklyn, is now an actor. Benton started a community-based organization called Beyond Influencing Da Hood, which puts on health fairs, film festivals and various free community events in his old housing project. This photo was taken in front of his old building in Tompkins Houses. Courtesy of Shino Yanagawa hide caption

Political signs in Gilbert, Ariz. are permitted to be larger and stay up longer than "directional" signs like those pointing residents to local church services. Bruce Ellefson/ADF hide caption

The president spoke about one measure aimed at the data collected in schools, through increasingly popular educational software. "Michelle and I are like parents everywhere," Obama said. "We want to be sure our children are being smart and safe online." Carolyn Kaster/AP hide caption

The 5:2 diet calls for two days per week of minifasting where the aim is to go a long stretch, say 14 to 18 hours, without eating. During these two fasting days, you also eat only about 600 calories, give or take. Viennaslide/the food passionat/Corbis hide caption