Since most people who call themselves wine collectors buy wines which achieve high scores in a revered wine publication, the question of difference among wines is a key factor in how they decide what to buy. You may have seen the cartoon (drawn by artist Bob Johnson) in which the guy at the tasting bar says, “This wine is repulsive,” and the clerk tells him that the wine just got a 98 from a wine magazine. The guy replies, “I’ll take a case.”