The $100 Barrel of Oil

Will oil go up or down $10 per barrel in the next few years?

No one can answer that with any certainty as dozens of interrelated political and economic forces can each move prices several dollars per barrel, and divining the collective effect is impossible.

Will oil hit $100 per barrel?

That, surprisingly, is an easier question because there is one indicator that may give you a pretty good idea: the U.S. response to Iraq's civil war. ...