An examination of arbitral discretion in the context of building the evidence record and controlling the hearing: techniques, demeanor, temperament and style with particular emphasis on gradations of arbitral involvement in building the evidence record. Arbitrator Gentile considers the boundaries of arbitral discretion and arbitral activism; Atty. Marcus cautions against “arbitral advocacy”; Arbitrator Nicolau states that the arbitrator’s goal is to search for the truth through an orderly procedure that is conducive to marshalling all the facts and arguments necessary to a full understanding of the case.