If California ever developed a vineyard rating system, Saxum's James Berry Vineyard would be classified as one of the best.
The first famous winemaking consultant was the late professor Emile Peynaud, who reigned over Bordeaux throughout the 1940s, '50s, '60s and '70s.
No scoring system is perfect, but a system that provides for flexibility in scores, if applied by the same taster without prejudice, can quantify different levels of wine quality and provide the reader with one professional's judgment.
Tawny ports have already spent 20 or 30 years in wood - it's not likely they're going to improve. On the other hand, they're not going to get any worse.
The best Chateauneuf-du-Papes are among the most natural expressions of grapes, place and vintage. Chateauneuf-du-Pape vineyards are farmed organically or biodynamically, and the region's abundant sunshine and frequent wind (called 'le mistral') practically preclude the need for treating the fields with herbicides or pesticides.
When I began visiting Bordeaux in 1979, only a handful of writers were there to taste the wines in the spring (and nearly all were British).