Celebrated leaders in their respective fields discuss the initiatives and breakthroughs that they spearheaded in areas that people thought were impossible or ahead of their time. Featuring Martin Cooper of Dyna, LLC, Arlene Harris of Wrethink, changemaker John Ross, Carrie Hessler Radelet of Project Concern International, and Larry Smarr of University of California, San Diego. Recorded on 10/19/2019. (#35332)