Choosing wines for a themed tasting and dinner requires a good deal of thought and imagination, especially when you are aiming to give pleasure and educate at the same time, all the while making sure the wine and the food are complementary, that you have the right number of wines and taste them in the most flattering order.  The theme of a recent dinner in London, the first in a new commercial venture by Maria Adderley Associates, who specialise in events for companies and individuals in the finance sector in London and Europe, was Bordeaux. Not particularly innovative, you might think, but they offered a tasting of nine...