Columbia Spectator: An interview with John McWhorter. An excerpt:
The most pernicious illusion that Americans tend to have, because we have a rather homogenous linguistic situation, is that if you speak one thing, it’s going to interfere with your ability to use the other. So people ask, “These kids are texting—how’re they going to write?” And the answer is: They’re going to write just like you did. They just have this other thing.
Update: His article in The Atlantic.