have you been FORBIDDEN?
there's a lot of that going on around here, and this is apparently the reason:
Read the following Status report from Blogger:
Thursday, March 16, 2006
The filer that we have been having trouble with in the last few days
failed again. Those blogs that are stored on the bad filer are
temporarily not available for publishing and viewing. We are working on
replacing the filer and restoring access to the blogs affected.