Panel on Nexus Between Science And VerificationModerator: Andreas PERSBO, Executive Director, VERTIC, Dr Paul RICHARDS, Special Research Scientist, Lamont-Doherty Earth Observatory, Columbia University, Randy BELL, Director of the Office of Nuclear Detonation Detection, U.S. Department of Energy, Svein MYKKELTVEIT, Program Coordinator, Norwegian Seismic Array (NORSAR)