In February, President Bush and Russian president Vladimir Putin announced that the two countries would take measures to counter the threat of nuclear terrorism, including securing Russia’s nuclear facilities. Is it possible to secure nuclear weapons and materials to the so‐called Fort Knox standard? If so, how and at what cost? What potential loopholes and vulnerabilities might still exist? What is the likelihood that we would be closing the barn door after some of the animals have already escaped? How does securing the potential supply of weapons affect the demand for them? Our experts will discuss progress made under the Nunn‐Lugar cooperative threat reduction program and how the threat of nuclear terrorism might be prevented.