JOINT FILING AGREEMENT

     Exhibit B.8

JOINT FILING AGREEMENT

     Pursuant to Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned agree that the Statement on Schedule 13D to which this exhibit is attached is filed on behalf of each of them.

Date: January 15, 2010

	XXXXXXX X. XXXXX, individually and as Trustee of the Xxxxxxx X. Xxxxx 2008 Grantor Retained Annuity Trust #2, the Xxxxxxx X. Xxxxx 2009 Grantor Retained Annuity Trust #1, the Xxxxxxx X. Xxxxx 2009 Grantor Retained Annuity Trust #2, the Xxxxxxx X. Xxxxx 2009 Grantor Retained Annuity Trust #3, the Xxxxxxx X. Xxxxx 2010 Grantor Retained Annuity Trust #1 and the CFD 2009 Trust
	By:	*
	XXXXX X. XXXXX, individually and as Trustee of the Xxxxx X. Xxxxx 2009 Grantor Retained Annuity Trust #1, the Xxxxx X. Xxxxx 2009 Grantor Retained Annuity Trust #2, the Xxxxx X. Xxxxx 2010 Grantor Retained Annuity Trust #1, and the HAD 2009 Trust
	By:	*
	XXXXX X. XXXXX
	By:	/s/ Xxxxx X. Xxxxx
	XXXXXX X. XXXXX
	By:	/s/ Xxxxxx X. Xxxxx
	XXXXXXX X. XXXXX
	By:	*

	XXXXXXXX X. XXXXX, individually and as a Trustee for the Xxxxx Descendants Trust, the Xxxxx Grandchildren Trust, the Xxxxx Spouse Trust, the Xxxxx Progeny Trust, the DC James Trust, the XX Xxxxxx Trust, the DC Patrick Trust, the DC Xxxxxxxx Trust, the DC Xxxxxxxx Trust, the DC Xxxxxxx Trust, the CFD Trust No. 1, the CFD Trust No. 2, the CFD Trust No. 3, the CFD Trust No. 4, the CFD Trust No. 5, the CFD Trust No. 6, and the Xxxxx Children Trusts, and as Trustee of the Xxxxxxx Xxxxx 1989 Trust, the Xxxx Xxxxx 1989 Trust and the Xxxx Xxxxx 1989 Trust
	By:	*
	XXXXXXXX XXXXX XXXXX
	By:	*
	XXXXXXX X. XXXXX-XXXXXXX
	By:	*
	XXXXXXXX X. XXXXX, as a Trustee of the Xxxxxxx X. Xxxxx 2001 Family Trust and the Xxxxxxx X. Xxxxx 2009 Family Trusts
	By:	*
	XXXXX X. XXXXX, as a Trustee of the Xxxxxxx X. Xxxxx 2001 Family Trust and the Xxxxxxx X. Xxxxx 2009 Family Trusts
	By:	*

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	XXXX X. XXXXX, as a Trustee of the Xxxxx Descendants Trust, the Xxxxx Grandchildren Trust, the Xxxxx Spouse Trust and the Xxxxx Progeny Trust, the DC Xxxxxxxx Trust, the DC James Trust, the CFD Trust No. 1, the CFD Trust No. 6, the Xxxxx Children Trust for the benefit of Xxxxxxxx X. Xxxxx and the Xxxxx Children Trust for the benefit of Xxxxx X. Xxxxx
	By:	*
	XXXXXXX X. XXXXX, as a Trustee of the DC Xxxxxxxx Trust, the XX Xxxxxx Trust, the CFD Trust No. 3, the CFD Trust No. 5, the Xxxxx Children Trust for the benefit of Xxxxxxxx Xxxxx Xxxxx and Xxxxx Children Trust for the benefit of Xxxxxx X. Xxxxx
	By:	*
	XXXX X. XXXXX, as a Trustee of the DC Xxxxxxx Trust, the DC Patrick Trust, the CFD Trust No. 2, the CFD Trust No. 4, the Xxxxx Children Trust for the benefit of Xxxxxxx Xxxxx-Xxxxxxx and the Xxxxx Children Trust for the benefit of Xxxxxxx X. Xxxxx
	By:	*

*By:	/s/ Xxxxx X. Xxxxxxx
	Xxxxx X. Xxxxxxx
	As Attorney-in-Fact

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