WDAY: The News Leader

Published April 30, 2014, 12:00 AM

David Petraeus

Retired four-star general and former CIA Director David Petraeus participates in a discussion about North Dakota oil development in Williston on Tuesday, April 29, 2014. He was hosted by North Dakota State Treasurer Kelly Schmidt. (Submitted photo)
Read the article: Petraeus visits N.D.’s ‘energy revolution’