David Rothkopf is visiting professor at Columbia University's School of International and Public Affairs and visiting scholar at the Carnegie Endowment for International Peace. His latest book is The Great Questions of Tomorrow. He has been a longtime contributor to Foreign Policy and was CEO and editor of the FP Group from 2012 to May 2017.
ORLANDO, FL - JUNE 12: FBI agents investigate the damaged rear wall of the Pulse Nightclub where Omar Mateen allegedly killed at least 50 people on June 12, 2016 in Orlando, Florida. The mass shooting killed at least 50 people and injured 53 others in what is the deadliest mass shooting in the country's history. (Photo by )
MILWAUKEE, WI - FEBRUARY 11: Democratic presidential candidates Senator Bernie Sanders (L) and Hillary Clinton participate in the PBS NewsHour Democratic presidential candidate debate at the University of Wisconsin-Milwaukee on February 11, 2016 in Milwaukee, Wisconsin.The debate is the final debate before the Nevada caucuses scheduled for February 20. (Photo by)