For The Love Of Port

A bit geeky, but hey, there's a reason why you are here to begin with:

http://www.sommelierjournal.com/article ... iclenum=61

Your direct link wouldn't load for me, but when I figured out the code, I was able to get to it.
Start at http://www.sommelierjournal.com/
Click Articles
Select 2010, June 15
Click on the "Rootstocks as an Element of Terroir" article