C-SPAN is the network of record for US political affairs, broadcasting live gave l-to-gavel proceedings of the House of Representatives and the Senate, and to other forums where public policy is discussed, debated, and decided–without editing, commentary, or analysis and with a balanced presentation of points ofview. The C-SPAN Archives, located adjacent to Purdue University, is the home of the online C-SPAN Video Library. The Archives has copied all of C-SPAN's television content since 1987. Extensive indexing, captioning, and other enhanced online features provide researchers, policy analysts, students, teachers,and public officials with an unparalleled chronological and internally cross-referenced record for deeper study. The Year in C-SPAN Archives Research presents the finest interdisciplinary research utilizing tools of the C-SPAN Video Library. Each volume highlights recent scholarship and comprises leading experts and emerging voices in political science, journalism, psychology, computer science, communication, and a variety of other disciplines. Each section within each volume includes responses from expert discussants. Developed in partnership with the Brian Lamb School of Communication and with support from the C-SPAN Education Foundation, C-SPAN Insights is guided by the ideal that all experimental outcomes, including those from our American experiment, can be best improved by directed study driving richer engagement and better understanding. The Year in C-SPAN Archives Research—Volume 4, edited by Robert X. Browning, advancesour understanding of the framing of mental health, HIV/AIDS, policing, and public health, and explores subjects such as audience reactions in C-SPAN covered debates,the Twitter presidency of Donald Trump, and collaborative learning using the C-SPAN Video Library.