You already know about your favorite Library blog - [modesty has never been one of my faults ;) ]. Here are a few of the many ways to find blogs on legal topics of interest- [sometimes referred to as "blawgs" - those clever lawyers have a way with words].
Blawg - a subject directory of legal blogs
Yahoo Directory of Law Weblogs
A Taxonomy of Legal Blogs - a posting from a fellow law student's blog - 3L Epiphany
Blog Search (from our friends at Google)
Ernster, the Virtual Library Cat
Above the Law - A Legal Tabloid - News, Gossip, and Colorful Commentary on Law Firms and the Legal Profession