It is always striking to note how people rush to Brussels and to our national capital cities to satisfy appetites for trade. The story of rosé wine, which will soon be produced by blending red and white wines is the latest example. Rosé, of course, is usually a wine made from black grapes which has not been coloured by the pigments in the grape skins and not undergone a second (malolactic) fermentation. There are, however, variations from one winemaking region to another. The only...