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Thank you for highlighting this issue, and for including the Philosophical Transactions of the Royal Society, which has been out front on so many issues of late in terms of preparing for our potentially very rocky road of a future. Most of the articles in their journal are subscription only, but abstracts are free, and they usually feature a really good article whose entire text is free. For the issue you highlight, here is a link to that excellent free download article:

http://rsta.royalsocietypublishing.org/content/369/1942/1762.full