On another topic, as you know, in the past, the President has talked about situations in which the U.S. has a moral obligation to intervene, not just intervention on behalf on U.S. national interests.

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The BOJ could undertake intervention and might even try to intervene in the yen against the euro.

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He said while it was important to "exercise a degree of restraint" with state intervention, there were cases where the state must intervene.

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To better predict whether the U.S. will intervene in Syria, or any other similar crisis, we must understand why Washington selectively engages in humanitarian intervention missions.

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When 18 crack American soldiers died there in one disastrous night in October 1993, the intervention force of which they were a part was pulled out and the Americans resolved never to intervene in Africa again.

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