Look up Wikipedia on Wikipedia and you learn that the free online encyclopedia that anyone can contribute to has grown to more than 2.5 million articles and over 100 active editions in different languages. Impressive, but is it true? I have no idea. The entry goes on to acknowledge a slight credibility problem: “Its open nature allows vandalism, inaccuracy, and opinion.” In other words, Wikipedia isn’t a reliable source for facts, even about itself.
But we do know this: Wikipedia has hit a rough patch. John Seigenthaler, a respected former newspaper editor in Tennessee, recently