Reykjavik Revisited: Steps Toward a World Free of Nuclear Weapons.George P. Shultz, Henry Kissinger, William Perry, Sam Nunn, and others called for freeing the world of nuclear weapons at a conference at the Hoover Institution during October 24 and 25. Their comments were part of a panel discussion at a dinner organized in conjunction with the institution's 'Reykjavik Revisited: Steps toward a World Free of Nuclear Weapons' conference.