Vlad Signorelli, chief investment strategist at Bretton Woods Research in New Jersey thinks President Barack Obama would come out looking like a winner if he had to make such a decision.

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She said said the government would come to a decision early next year on whether to make HIV treatment in the UK free for all, but had to consider whether there would be an "incentive" for people to come to the UK for free treatment.

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"The decision of what to make has never come from a point of 'gee, let's go break a taboo' - it comes simply from what I need to do with my life, what will make my life a rich and interesting journey, " he says.

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