Marat/Sade   A traditional "bath house" set is not necessary for the success of this script. We approached it in an "environmental" space with great success.   Michael Krickmire, SUNY College at Brockport, Brockport, N.Y.   Prepare your audience for what they are about to experience. We used in-depth dramaturgy displays to inform them of the tenor and tone of the piece prior to entering the theatre.   Cindy Pack, University of Oklahoma, Norman, Okla.