Bloggers Need Not Apply

This is why I'm paranoid.

Apparently you're judged based on things that could happen in the future:

The content of the blog may be less worrisome than the fact of the blog itself. Several committee members expressed concern that a blogger who joined our staff might air departmental dirty laundry (real or imagined) on the cyber clothesline for the world to see. Past good behavior is no guarantee against future lapses of professional decorum