O.C.O. Questions of the Week - Dec 2, 2009

Background
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O.C.O. means Overseas Contingency Operation. [9]
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23 November 09 - The Los Angeles Times -Iran begins air-defense drills to protect nuclear sites - "If biting sanctions do not persuade the Islamic Republic to demonstrate sincerity in negotiations and give up its enrichment activities, the White House will have to begin serious consideration of the option of a U.S.-led military strike against Iranian nuclear facilities," said a report issued last week by the Bipartisan Policy Center, a think tank that advocates a tough line against Iran.
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Questions of the Week:
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1) Assuming Iran does neither plans to attack nor to sponsor another entity's attack(s) upon the interests of countries mentioned below in the interim, does Iran believe an attack on its nuclear sites is probable within the next 15 months? Support your answer.
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2) Will Israel attack Iran's nuclear sites in the next 15 months? Support your answer.
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3) Will the UK attack Iran's nuclear sites in the next 15 months? Support your answer.
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4) Will the US attack Iran's nuclear sites in the next 15 months? Support your answer.
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Answers: Yours anytime (comments open); M.E. answers Saturday
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Submarines are always silent and strange.