The State Bar of Michigan has come to the same conclusion we have of the dangers of untraceable campaign contributions for high court elections. Here's the press release from the State Bar, citing Grand Rapids attorney Bruce Courtade, president of the Bar.
There's been quite a bit written about the proposal. Here's David L. Ashenfelter's piece for Bridge. And here's Brian Dickerson's take on it in the Freep.
We don't know if the State Bar agrees with anything else in the book, but this is good for a start.