<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>c64704exv24.txt
<DESCRIPTION>EX-24
<TEXT>
<PAGE>

                                POWER OF ATTORNEY

     Know all by these presents, that the undersigned hereby constitutes and
appoints Nadim A. Kazi the undersigned's true and lawful attorney-in-fact to:

     (1)  prepare, execute in the undersigned's name and on the undersigned's
          behalf, and submit to the U.S. Securities and Exchange Commission (the
          "SEC") a Form ID, including amendments thereto, and any other
          documents necessary or appropriate to obtain codes and passwords
          enabling the undersigned to make electronic filings with the SEC of
          reports required by Section 16(a) of the Securities Exchange Act of
          1934 or any rule or regulation of the SEC;

     (2)  execute for and on behalf of the undersigned, filings and any
          amendments thereto in accordance with Sections 13(d), 13(g), 13(f) and
          16(a) of the Securities Exchange Act of 1934 and the rules thereunder,
          in the undersigned's capacity as (i) chief executive officer and
          managing member of Dalal Street, LLC, which is (a) the general partner
          of The Pabrai Investment Fund II, L.P. and The Pabrai Investment Fund
          IV, L.P., and (b) the sole investment manager of Pabrai Investment
          Fund 3, Ltd., (ii) the president of Pabrai Investment Fund 3, Ltd.,
          and (iii) husband and advisor to his wife, Ms. Harina Kapoor
          (collectively, the "Reporting Person");

     (3)  do and perform any and all acts for and on behalf of the undersigned
          which may be necessary or desirable to complete and execute any such
          filings and any amendments thereto, and timely file such form with the
          SEC and any stock exchange or similar authority; and

     (4)  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 such
          attorney-in-fact's discretion.

     The undersigned hereby grants to such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or 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 such
attorney-in-fact's 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 attorney-in-fact, in
serving in such capacity at the request of the undersigned, is not assuming, nor
is the Reporting Person assuming, any of the undersigned's responsibilities to
comply with Section 16 of the Securities Exchange Act of 1934.

     This Power of Attorney shall remain in full force and effect until revoked
by the undersigned in a signed writing delivered to the foregoing
attorney-in-fact.

     IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 15th day of May, 2008.


By: /s/ Mohnish Pabrai
    --------------------------------
    Mohnish Pabrai
</TEXT>
</DOCUMENT>