- Tony Blair 2012
- Kevin Bacon 2012
- Kofi Annan November 10 2011
- David Sedaris November 6 2011
- Keith Scribner November 2 2011
- Michael Moore October 28 2011
- Alice Hoffman October 17 2011
- Bill Nye the Science Guy March 10 2010
- George Clooney/John Prendergast November 8 2010
- The Dalai Lama October 14 2010
- John Kerry August 13 2004
oct 29 2011 ∞
jan 3 2013 +
jan 3 2013 +