Power of Attorney

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby
constitutes and appoints Alan E. Charlson and Richard A.
Brickson, and each or any one of them acting alone, as the
undersigned's true and lawful attorney-in-fact and agent, with
full and several power of substitutions, for the undersigned and
in the undersigned's name, place and stead, in any and all
capacities, to sign any or all Form 3, Form 4 or Form 5 and any
amendments and supplements to those forms, and to file the same
with the Securities and Exchange Commission and with the New York
Stock Exchange, granting unto said attorney-in-fact and agent
full power and authority to do and perform each and every act and
thing requisite and necessary to be done in and about the
premises, as fully and to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that said
attorney-in-fact and agent or his or their substitute or
substitutes may lawfully do or cause to be done by virtue
thereof.  This power of attorney shall remain in effect until
revoked in writing by the undersigned, and any person may rely on
its being in effect until such person actually receives such
written revocation.

    /s/ Gregory A. Ott
Gregory A. Ott
Date: October 29, 2003

State of Missouri   )
                    )  ss.
City of St. Louis   )

     On this 29th day of October, 2003, before me appeared
Gregory A. Ott, to me known to be the person who executed the
foregoing instrument and acknowledged that he executed the same
as his free act and deed.

     In Testimony Whereof, I have hereunto set my hand and
affixed my official seal in the City and State aforesaid, the day
and date first above written.

(SEAL)             /s/ Sarah Jane Westover
               Notary Public

               Sarah Jane Westover
               Notary Public-Notary SEal
               STATE OF MISSOURI
               St. Louis County
               My Commission Expires: August 10, 2007