I've been getting an inordinate amount of comment spam recently. I tried altering the cgi file but that didn't help. So I've installed a plug-in that turns comments off on entries that are over 3 weeks old. I honestly don't think this will be a huge inconvenience for anyone who reads this site. Most comment activity usually takes place within a few days of an entry being posted, anyway.
Now back to your regularly scheduled blog-reading...