The internal politics are still interesting, though.
"The Brethren: Inside the Supreme Court" by Woodward and Armstrong looked (amongst other things) at why Nixon's new Chief Justice Warren Burger seemed unable to push the court in a more consistently conservative direction despite more conservative membership. Part of the conclusion was that he just wasn't that great at playing the internal political games required to stay in control.
Incidentally, the main source for that book was eventually revealed as one of the other Justices, Potter Stewart. It's a fascinating read.