Last seen in:
- Universal - Dec 21 2010
- Family Time - Nov 29 2010
- The Times - Concise - Times2 Concise 5265 - September 24, 2010
- Universal - Aug 15 2010
- USA Today - Jul 16 2010
- Family Time - Feb 8 2010
- Universal - Aug 15 2009
- New York Times - Jun 22 2009
- The Times - Concise - Times2 Concise 4455 - February 20, 2008
- Wall Street Journal - Jan 25 2008 - January 25, 2008 - Climate Change