Exhibit 23

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the inclusion of our
report dated January 31, 2001 in this Form 8-K which is incorporated by
reference in the Registration Statements File Nos. 333-74145 and 333-39832.



                                                   /s/ ARTHUR ANDERSEN LLP


Washington, DC
February 19, 2001