Eric Watkins Oil Diplomacy Editor Iraq's large oil-production potential could put it in a position to vie for leadership with Saudi Arabia in the world oil scene in the coming decades. But Baghdad and Riyadh each might have difficulty meeting rising demand for oil, according to a study released by Rice University's Baker Institute for Public Policy. "Failure to progress quickly on water injection, pipeline, electricity, and natural gas facilities will limit the ability of independent oil companies to translate upstream oil-field expansion successes into continued export increases," said Amy Myers Jaffe, author of the study along with Jareer Elass and Meghan O'Sullivan. "Pol...