POWER OF ATTORNEY
	For Executing Forms 3, 4 and 5


	KNOW ALL MEN BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints each of John R. Howe and
Stuart L Uselton, signing singularly, as the true and lawful
attorney-in-fact of the undersigned to:

(1) execute for and on behalf of the undersigned Forms 3, 4
and 5 in accordance with Section 16(a) of the Securities and
Exchange Act of 1934 and the rules thereunder;

(2) do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete
the execution of any such Form 3, 4 or 5 and the timely filing
of such form with the United States Securities and Exchange
Commission and any other authority; and

(3) take any other action of any type whatsoever in connection
with the foregoing which, in the opinion of such attorney-in-fact,
may be of benefit to, in the best interest of, or legally required
by, the undersigned, it being understood that the documents
executed by such attorney-in-fact on behalf of the undersigned
pursuant to this Power of Attorney shall be in such form and
shall contain such terms and conditions as such attorney-in-fact
may approve in his discretion.

The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform all and every act
and thing whatsoever requisite, necessary and proper to be done
in the exercise of any of the rights and powers herein granted,
as fully to all intents and purposes as the undersigned might
or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming
all that such attorney-in-fact, or his substitute or substitutes,
shall lawfully do or cause to be done by virtue of this power
of attorney and the rights and powers herein granted.  The
undersigned acknowledges that the foregoing attorneys-in-fact,
in serving in such capacity at the request of the undersigned,
are not assuming any of the undersigned's responsibilities to
comply with Section 16 of the Securities and Exchange Act of 1934.

IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 5th day of May, 2009.


/s/ Michael T. Greer