October 17, 2007
GREG MANKIW ON BLOG COMMENTS: "I just don't have the time to police comments and enforce good behavior, especially since some posts were generating more than 100 comments. And I don't want to host a party in which a small vitriolic minority consistently tries to ruin the event for everyone else."
Let 'em get their own blogs.
UPDATE: I had a column on this topic a while back.