Joby Warrick is a distinguished journalist, a longtime Washington Post national security reporter, and a Pulitzer Prize-winner. His latest book is: “Red Line: The Unraveling of Syria and America’s Race to Destroy the Most Dangerous Arsenal in the World.”

To discuss Bashar al-Assad’s use of chemical weapons to mass murder his fellow Syrians, and what the U.S. did – and did not – do about it, he joins David Adesnik, FDD’s Director of Research and senior fellow on Syria, and FDDs president and Foreign Podicy host Cliff May.