Writer sued for a negative review in a blog post

PZ Myers, Ph.D., Division of Science & Math, University of Minnesota, Morris, says:

I'm in an interesting situation. I wrote a very negative review of two versions of a book [Lifecode: The Theory of Biological Self Organization] by Stuart Pivar here and here. He claims to have a revolutionary idea for how evolution works, but his ideas have no connection to reality, and these lovely elaborate drawings he made look nothing at all like actual embryos. The bottom line is that I said his work was more about the evolution of balloon animals than biology.

His response is to sue Seed Media and Paul Z. Myers for "Assault, Libel, and Slander."

I'm not going to comment on the case myself, but since it's a situation where a negative blog review has prompted a law suit, there might be a few others around the blogosphere who would find it worth discussing.