The word iconoclast, when it is used nowadays, most often refers to a person who "attacks established beliefs, ideals, customs, or institution," as Webster's Third puts it -- a definition that turns the iconoclast into a cultural rebel or a free thinker, an individual willing to buck the establishment. By this standard, the Danish cartoonist who drew the controversial caricatures of Mohammed was an iconoclast in our modern sense, and was simply doing what many cartoonists have done before him, using his gifts to poke fun at sacred cows. True, the sacred cow, in this case, was the Prophet...