"Saving the American Idea: Rejecting Fear, Envy, and the Politics of Division". Speech at The Heritage Foundation, House Budget Committee Chairman Paul Ryan (R-WI), www.heritage.org. November 15, 2011.
"A New Approach to Capitalism in the 21st Century". Bill Gates' speech at World Economic Forum 2008 in Davos, Switzerland, news.microsoft.com. January 24, 2008.
"Mathias Müller von Blumencron, Gregor Peter Schmitz and Gabor Steingart". Interview with Mathias Müller von Blumencron, Gregor Peter Schmitz and Gabor Steingart, www.spiegel.de. November 24, 2008.