Here you can find any updates that aren't in the newest edition of the book.
(As of now, that is Closest to the Fire: A Guide to American Law and Lawyers, published in 2021.)
These are bits I either deleted entirely or reworked substantially. Caution: deleted or altered versions are likely to be more political.
Available as a PDF.
Here are links to some recent guest blog posts.
Here are excerpts from, and links to, a few reviews of either the earlier or the latest edition.