Schedule
- March 3, 2010, Washington, DC
- October 2009, Portland, OR
- March 2009, Washington, DC
- October 2008, Atlanta, GA
- February 2008, Washington, DC
- October 2007, Las Cruces, NM
- August 2007, Boulder, CO
- Feb. 28-March 1, 2007 Washington, DC
- March 1 - 5, 2005 - Washington, DC
- October 20 - 22, 2004 - Pasadena, CA
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