VIACOM December 1, 1998 Mark Gilman 413 Martel Lane Coppell, TX 75019 Dear Mark: This is to confirm our understanding that your employment agreement dated as of December 16, 1996, as amended, shall be further amended to change the last day of the...

                                                                   EXHIBIT 10.15

Xxxxxxx X. Xxxxxx
Senior Vice President
Human Resources and Administration

TEL 000-000-0000
FAX 000-000-0000


                                                                        VIACOM


                                       December 1, 1998



Xxxx Xxxxxx
000 Xxxxxx Xxxx
Xxxxxxx, XX   00000


Dear Xxxx:

     This is to confirm our understanding that your employment agreement dated
as of December 16, 1996, as amended, shall be further amended to change the last
day of the employment term from April 30, 2000 to April 30, 2001.  Except as
amended hereby, your employment agreement shall remain in full force and effect.

     Please sign and return the attached copy of this letter to indicate your
agreement with the foregoing.

                                       Very truly yours,

                                       /s/ Xxxxxxx X. Xxxxxx

ACCEPTED AND AGREED:


/s/ Xxxx X. Xxxxxx
------------------------
    Xxxx X. Xxxxxx