In an article called Wine Tasting is Junk Science, David Derbyshire goes over the science of wine tasting. The results are not very good for those who rate wines. Follow the link above for the full and very informative article.
WINE TASTING – JUNK SCIENCE?
Jim Lockard On Wine 
Fascinating article. It confirmed many of my suspicions. A lot of BS out there. Just relax and drink what you like. Reminds me of the time I was bartending and served our “top” waiter an average wine but told him it was from a really expensive bottle. He thought it was great.
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