Robert Brustein on theater.

Presents views on Adrian Hall, the founder and artistic director of one of the most important theaters in Providence, Rhode Island. Statement that Hall's Trinity Square Repertory Company is performing in an abandoned vaudeville house; Information that Hall has built a subscription audience whose attention he captures through an unusual blend of repertory chestnuts and innovative techniques; Acknowledgement that Trinity was the first to stage Robert Penn Warren's "Brother to Dragons"; View that Providence is lucky to have Adrian Hall and his gifted company and so is the American theater.