User blog comment:Sarah Manley/Try the New Wikia Editor/@comment-3541132-20110626062733/@comment-168424-20110627024303

To disable/enable comments on a blog, move your mouse over the title and look for the little pencil icon. Click on the pencil icon.

This is listed as a problem at Forum:New Wikia Editor tracking post. Hopefully Wikia will review the list and address the problem when they see it there.