As you may know, I am all in favour of blind tastings when it comes to comparing like with like, or at least similar with similar. This usually translates into tasting wines of the same vintage but from different producers, the classic horizontal tasting like those I shall undertake when looking at the 2010 primeurs next month in Bordeaux. Recently London fine-wine traders Bordeaux Index hosted a blind vertical tasting that turned out to be even more interesting. Ronan Laborde of Ch Clinet in Pomerol was there with examples of every single vintage of this widely admired Pomerol from 1987 to 2008, but they were served not exactly...