2003 WASHINGTON, DC: Nov 7-9, 2003 2004 HOUSTON, TX: Nov 12-14, 2004 2005 CHICAGO, IL: Sep 30-Oct 2, 2005 2006 BETHESDA, MD: Oct 6-8, 2006 2007 SANFRANCISCO, CA: Oct 26-28, 2007 2008 PHILADELPHIA, PA: Oct 17-19, 2008
