Pardon if this is posted already.
Very nice work here. I don't think that the full article is available, but here's the online abstract, and you may want to consider an actual purchase:
http://www.newyorker.com/reporting/2011...act_sanneh
Blog related to the article is of little interest per se, but admirable effort.
http://www.newyorker.com/online/blogs/c...offee.html
Not a word about home roasting.



