Michael Weinstein, MD, FACS, FCCP, speaks with E. Wesley Ely, MD, FCCM, at the 44th Critical Care Congress in Phoenix, Arizona. Dr. Ely, Professor of Medicine and Critical Care at Vanderbilt University Medical Center in Nashville, Tennessee, discusses the "Evolution of the ABCDEF Bundle" and the Society’s ICU Liberation initiative, which aims to help practitioners become more familiar with the Pain, Agitation and Delirium guidelines and assessment tools.