Ma Joad's concluding 'we're the people, and we just keep coming' speech felt off to me even the first time I watched this (in the more innocent time of three days ago), and I was not surprised to learn in the interim that it was added after the fact: per Tag Gallagher (whom one must always consult when thinking Ford, regardless of what one thinks of him—Jonathan Rosenbaum said it best when he described Gallagher's study of Ford as 'exasperating…