In October, Russia's richest oligarch, Mikhail Khodorkovsky, was arrested and charged with fraud and tax evasion in connection with his running of Yukos, an oil giant.

ECONOMIST: Vlad the Victorious | The

The Purina connection has more to do with Koch's oil refining and trading divisions.

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Governor FRANK MURKOWSKI (Republican, Alaska): While the oil stands independent of the gas, clearly there is a connection, because what the producers basically accepted was a package.

NPR: Alaska Prepares for New Gas Pipeline

Logically, there should be no political connection between the right or the left about owning gold, wheat, oil or any other commodity.

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An RSPCA spokeswoman said there was no connection between the incident and the birds that washed up on the south coast of England covered in an oil additive, as the types of oil were different.

BBC: RSPCA collects oil spill birds off Kent coast