I was utterly enamoured by Steve James’ ode to film journalist Roger Ebert in 2014’s Life Itself.  My wife, on the other hand, found it difficult to tap in to and suggested it was because she didn’t have any preinvested interest.  With James’ latest doc Abacus: Small Enough to Jail, I relate to my wife’s prior disconnect.  Not because of the content, but because of the documentarian’s chosen genre.  Audiences who are riveted by courtroom…