| web | 2011-11-15 | |||
| web | Cory Mitchell, CMT | Oil and Gas Investments Bullet... | 2011-11-01 | |
| web | Energy Bulletin | 2011-05-01 | ||
| web | Political Calculations (blog) | 2011-04-05 | ||
| web | Mother Jones | 2011-03-01 | ||
| web | Mother Jones | 2011-03-01 | ||
| web | Mother Jones | 2011-03-01 | ||
| web | Mother Jones | 2011-03-01 | ||
| web | Mother Jones | 2011-03-01 | ||
| web | Mother Jones | 2011-03-01 |