Here’s an interesting Howard Bashman’s column that explores the phenomenon of third justices who “concur in the result” without further comment on the majority opinion. 

NOTE: Somehow this post got marked “private,” so I’m not sure it ever showed up on the blog before.  But it’s possible it was posted for a while befopre it got marked “private,” in case you’re looking for an explanation for any deja vu you’re experiencing.)