The Imported Stories feature is no longer available. Most of the sites supported by this feature now allow you to publish stories to Facebook directly from the site.
Gee, thanks. I can no longer republish an RSS/Atom feed to my profile. Now I have to figure out how to republish my Blogger posts. Grr.
Update: I have to import as notes. Unfortunately, it only works for one site, and I already import my reddit submissions. Blah.