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
