http://www.nytimes.com/2009/03/05/us/politics/05gray.html
Well. Olof knows a bit about photography, yanno. He looked at the two photos and saw that the exposure on the greyish one was way off for the skin tone. So he corrected the grey one and voila, no grey hair.
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Above is the NY Times photo showing Obama with grey hair/
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This is Olof's corrected photo matching the skin tone, voila, no grey hair.
What do all you cool cats think?