According to the statement, “Bartl contributed essays on the successes of the Great Society, Richard Nixon and Watergate, and media coverage of the Tet Offensive during the Vietnam War. Heineman contributed essays on college campus protests in the 1960s and political backlash in the 1970s. Pierce contributed essays on the Women’s Movement, climate change and fossil fuels, Cesar Chavez and the Latino Civil Rights Movement, and the Rwandan genocide and U.S. foreign policy.”