Cool Stars 14 - Submitted Abstract # 384 This version created on 13 October 2006 Advances in Nulling Interferometry 1998-2006 Peter Lawson, Jet Propulsion Laboratory This paper presents an overview of progress in laboratory work in nulling interferometry. The motivation and goals of nulling for TPF/Darwin will be briefly discussed and results from testbeds both in Europe and the U.S. will be presented. Lessons learned to date and future directions in ongoing work will be highlighted. ----------------------------------