This weblog was out of service for a while, but I fixed the problem – the site error.log gave unusual errors about reading xml data. The only place I use xml is in reading data from blo.gs for my blogroll.
Unfortunately their site is down at the moment and their xml feeds are unavailable.
I never checked if the “fopen” to connect to their server succeeded, so when the routine tried to read data in it barfed. Here’s a quick fix to function.blogroll.php if you have the same problem:

Line 49:
if( $blogroll_remote_fp == false )
    return false;