MetaBlog calls itself the blog of blogs, but since I am a librarian, I will refer to metablog as a blog about blogs. I’ve come across two new ones from colleagues whom I respect and admire and since they might not be known to the library world, I thought they were worth pointing out. Abe Lederman, founder of Deep Web Technologies, has launched Federated Search Blog.  Sol Lederman (Abe’s brother, who has held various positions at DWT) will be doing most of the posting.  This is the kind of blog that I wished had existed a couple of years ago …