Closing out his tenure as director of the National Counterterrorism Center, Nicholas J. Rasmussen discussed the evolving challenges of a complex terrorism threat environment. Carnegie President William J. Burns moderated.

Nicholas J. Rasmussen

Nicholas J. Rasmussen is the director of the U.S. National Counterterrorism Center.

William J. Burns

William J. Burns is president of the Carnegie Endowment for International Peace. He previously served as U.S. deputy secretary of state.