Exhibit 23(d) [LETTERHEAD OF ARTHUR ANDERSEN LLP APPEARS HERE] CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the use of our reports (and to all references to our firm) included in or made a part of this Amendment I to Registration Statement on Form S-3 File No. 333-64215. /s/ Arthur Andersen LLP Fort Worth, Texas, December 11, 1998