Leaders of the US energy industry met in Houston Thursday for what was billed as a presidential summit on energy issues, but they drew only one candidate, Senator Hillary Clinton. As VOA's Greg Flakus reports from Houston, energy experts say more dialogue between politicians and the industry is crucial if the nation is to avoid a crisis in coming years.

Marathon Oil Corporation (NYSE: MRO) today (July 31) announced it has reached agreement to purchase Western Oil Sands, Inc. (TSX: WTO) in a transaction valued at CDN$6.5 billion (USD$6.2 billion, based on July 27 noon exchange rate).