Exhibit 23.2


                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation of our
report (and to all references to our Firm),  dated February 3, 1998 (except with
respect to the matters  discussed in Notes 2 and 14 of the  Company's  financial
statements,  as to which the date is October  7,  1998),  included  in this Form
10-K, into the Company's  previously  filed  Registration  Statements  Files No.
33-66624, No. 33-85420, No. 333-00404, No. 333-63863,and No. 333-38300.




/s/ARTHUR ANDERSEN LLP

Vienna, VA
November 9, 2000