People attend a candlelight vigil in front of the WDBJ-TV station in Roanoke, Va. a day after reporter Alison Parker and cameraman Adam Ward from the station were killed during a live broadcast. Don Petersen/AP hide caption

itoggle caption Don Petersen/AP

Reporter Alison Parker and photojournalist Adam Ward were killed by a gunman Wednesday morning while broadcasting live in Moneta, Va. WDBJ7 paid tribute to the two journalists by sharing this image on Twitter. WDBJ7 via Twitter hide caption

itoggle caption WDBJ7 via Twitter

A security guard for Republican presidential candidate Donald Trump removes Univision anchor Jorge Ramos from a news conference on Tuesday in Iowa. Charlie Neibergall/AP hide caption

itoggle caption Charlie Neibergall/AP

Donald Trump and Fox News are at odds again, after the Republican presidential candidate criticized host Megyn Kelly. "Donald Trump rarely apologizes, although in this case, he should," Fox chief Roger Ailes said. Mark Wallheiser/Getty Images hide caption

itoggle caption Mark Wallheiser/Getty Images

Scenes from Ferguson, Mo., in August 2014, captured by some of the reporters I spoke to for this story. Courtesy of Trymaine Lee, Wesley Lowery, Gene Demby and Yamiche Alcindor hide caption

itoggle caption Courtesy of Trymaine Lee, Wesley Lowery, Gene Demby and Yamiche Alcindor

Thomas Checkler, owner of The Old Village Barber in Worthington, Ohio, discusses the impact that the barrage of political ads have on him and his customers during the 2012 presidential election campaign. Mike Munden/AP hide caption

itoggle caption Mike Munden/AP