Jason Kottke lists them:
The On Language column originated by William Safire has been cancelled.
Christoph Niemann's excellent Abstract City blog is closing down and the feature will move to the New York Times Magazine.
This is the last The Medium column by Virginia Heffernan.
After 12 years, Randy Cohen will no longer write The Ethicist column.
Deborah Solomon won't be doing those irritating interviews anymore.
Change happens. I kinda liked Solomon's interviews.