WASHINGTON — The U.S. Supreme Court is taking a step to address criticism that its inner workings are opaque.The court announced Monday that its website will identify and highlight changes to opinions after they are released to the public.Changes will be highlighted in the text of the opinion, and both the old and new material will be shown when readers place their cursors over the highlighted section.The issue gained wide attention when the court quietly posted a change to a vociferous dissent written by Justice …