NPR Public Editor

A reporter holds images of possible Republican candidates back in February. Since then, the GOP field has narrowed slightly, but still boasts 14 contenders. Carolyn Kaster/AP hide caption

A 2015 study of the racial/ethnic diversity of sources on NPR's weekday newsmagazines shows this breakdown. Annie Johnson/NPR hide caption

The rundown board, like this Morning Edition one shown during Hurricane Sandy, displays the schedule of segments which make up each NPR show. When big news breaks, the planned rundown may be changed completely. Mark Stencel/NPR hide caption

A man takes a picture of the Eiffel Tower illuminated in the French colors in honor of the victims of the attacks on Friday in Paris. Daniel Ochoa de Olza/AP hide caption

NPR's digital news team celebrates great headlines and their authors with a "Wall O' Fame" in the newsroom. Annie Johnson/NPR hide caption

In this 2010 photo, steam rises from towers at an Exxon Mobil refinery in Baytown, Texas. Recently leaked memos from Exxon Mobil have shown that the company knew about climate change as early as 1981 but still funded deniers. Pat Sullivan/ASSOCIATED PRESS hide caption

Visitors to the Ah-Tah-Thi-Ki Seminole Museum regard a letter dated February 9, 1774 on display in 2006. The letter was written by John Moultrie, the Lieutenant Governor of then British East Florida and addressed to 'The Cowkeeper, the founder of the Seminole Tribe of Florida' in which Moultrie asks The Cowkeeper for peace between the Seminoles and the British. Joe Raedle/Getty Images hide caption