Identifying practical options and solutions after 20 Years Focus groups report back to the plenary on options discussed for ensuring the sustainability of Treaty and its verification regime and recommendations on practical options to advance entry into force of the Treaty Discussants: Pierce Corden, Visiting Scholar, American Association for the Advancement of Science Ana Teresa Dengo, Representative of the United Nations University for Peace in Austria Peter Rickwood, Atomic Reporters Nikolai Sokov, Adjunct Professor and Senior Research Associate, The James Martin Center for Nonproliferation Studies