This was the article if I recall (http://www.theguardian.com/lifeandstyle/2013/jun/23/wine-tasting-junk-science-analysis http://www.theguardian.com/lifeandstyle

This was the article if I recall (http://www.theguardian.com/lifeandstyle/2013/jun/23/wine-tasting-junk-science-analysis http://www.theguardian.com/lifeandstyle/2013/jun/23/wine-tas...). And it doesn't actually prove experts can't tell the good from the bad in black and white terms, but simply that given the same wines they may rate them differently each time.