Symposium about 'Loot' at A.R.T. gathers important figures in theater world

You know you've reached the next level of high-brow theater culture when you attend not only the play, but also the symposium about the play. On Monday night, I shuffled into the American Repertory Theatre (A.R.T.) and smiled at the legions of white-haired ladies and distinguished men in tweed coats. One or two of them smiled back approvingly, as if to say, yes, she is on her way to becoming one of us.