"This is a complete and fundamental shift in operations, " Chino concedes.

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And the study group also recommends that the United States make a fundamental change in its military operations by gradually shifting its troops from combat missions to training and advising the Iraqi army.

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That's a fundamental change from the late 1990s, when oil companies like BP and ExxonMobil owned big petrochemical operations that tended to add capacity at the worst possible time.

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