Today was a good day for us to change some of those numbers around.

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We're convinced, for our own self-interest, that the way we use energy, changing it to a more efficient fashion, is essential to our national security, because it helps to reduce our dependence on foreign oil, and helps us deal with some of the dangers posed by climate change.

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"I think this is the right time to sort out Europe's problems, sort out the eurozone problem, defend your national interest, and look to the opportunities there may be in the future to repatriate powers back to Britain - and obviously the idea of some limited treaty change in the future might give us that opportunity, " he told a news conference.

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Fortunately, some of us seem almost genetically inclined to keep pushing, trying to make change from inside.

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"Anyone who, for example, belongs to a campaign group which may oppose some aspect of US foreign policy, whether it be the Iraq war or climate change, " he said.

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If safeguarding international security is the chief aim of US President Barack Obama's foreign policy, then at some point he can be expected to change course in the Middle East.

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Gradually they moved to dimly aware and finally to aware that it was important to some of us to put it in the legislation, but not sufficiently up to speed to actually implement the change once passed.

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And some of us more seasoned people in life, we can tell you young people that we know from our history that change is hard.

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