Environmental Protection Agency Administrator Gina McCarthy testifies at an oversight hearing of the Senate Environment and Public Works Committee on Capitol Hill in Washington on July 23. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

A local business is boarded up in anticipation of another night of unrest in Ferguson, Mo., Tuesday. A day after people set fire to buildings in the city, President Obama said, "I have no sympathy at all for destroying your own communities." Michael B. Thomas/AFP/Getty Images hide caption

itoggle caption Michael B. Thomas/AFP/Getty Images

Attorney General Eric Holder visited Ferguson, Mo., in August, where he met with elected and police officials and community members. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

A guide for applying to the Deferred Action for Childhood Arrivals program that began in 2012. U.S. Citizenship and Immigration Services says it will begin accepting applications for the expanded DACA program in 90 days. Damian Dovarganes/AP hide caption

itoggle caption Damian Dovarganes/AP

Journalist James Foley was killed by the so-called Islamic State in August of this year. His mother, Diane Foley, says the U.S. government never reached out to tell her that her son was dead. Marko Drobnjakovic/AP hide caption

itoggle caption Marko Drobnjakovic/AP

Washington, D.C., Councilman and former Mayor Marion Barry was famously re-elected after going to jail for crack cocaine possession, but started out as a champion for the city's disenfranchised. Alex Brandon/AP hide caption

itoggle caption Alex Brandon/AP

Sarah Obama, left, and her translator, Mama Sarah Obama Foundation Executive Director Debra Akello, spoke at the United Nations on Wednesday. Bebeto Matthews/AP hide caption

itoggle caption Bebeto Matthews/AP