Economists check the claim that a thirst for oil motivates interventions in civil wars, and they find out it's right.
Perceived American influence and its failure to live up to its freedom-loving rhetoric pour into a gulf of discontent in the Muslim world.
President Barack Obama sounds like his predecessors when he vows to kick the nation's addiction to foreign oil.
The nation's largest natural gas producer discusses the 'ocean' of untapped product available in North America.