Last seen in:
- New York Times - Nov 23 2020
- The Washington Post - Oct 18 2019
- Wall Street Journal - Dec 31 2016 - Pike's Peak
- New York Times - Jul 4 2016
- New York Times - Dec 22 2010
- Wall Street Journal - Jan 25 2008 - January 25, 2008 - Climate Change
- Wall Street Journal - Jul 29 2005 - July 29, 2005 - Taking Issue