A man convicted of a street killing in Brooklyn protests his innocence…and after 20 years is finally granted a re-hearing of his case.  Then the Judge starts to show symptoms of Alzheimer’s disease Joe Sexton of Pro Publica with a tragic human story that shows a serious systemic flaw in our criminal justice system. Who’s to say, and how to prove a sitting judge is cognitively impaired…and then ..what can be done about it?