How the Columbine tragedy changed Colorado journalists and their newsrooms will be the topic of an April 1 panel at the University of Colorado at Boulder. Discussing the story behind the story will be John Temple, editor of the Rocky Mountain News; Michelle Fulcher, former national editor of The Denver Post; and Roger Simpson, director of the Dart Center for Journalism and Trauma at the University of Washington. The event will be held from 5 p.m. to 7:30 p.m. on Thursday, April 1, in Eaton Humanities Building room 250.