Exhibit 12

Statement Re: Computation of ratio of earnings to fixed charges

	Historical															Proforma Year Ended December 31,			Historical						Proforma Three Months Ended March 31,
	Year Ended December 31,																		Three Months Ended March 31,
	1999			2000			2001			2002			2003			2003			2003			2004			2004
Consolidated pretax loss from continuing operations	$	(26,648	)	$	(82,621	)	$	(109,813	)	$	(591,531	)	$	(159,991	)	$	(151,098	)	$	(58,395	)	$	(28,296	)	$	(23,447	)
Share of distributed income of 50%-or-less-owned affiliates net of equity pick-up		210			(384	)		129			378			(153	)		(153	)		(135	)		424			424
Interest expense		6,329			3,750			5,670			31,420			42,797			68,135			9,663			11,464			18,131
Interest portion of rental expense		1,606			5,584			8,263			19,147			22,268			22,268			5,747			5,455			5,455
Net amortization of debt discount and premium and issuance expense		5,284			30,943			35,028			42,777			49,658			15,427			11,650			13,372			3,856
Earnings	$	(13,219	)	$	(42,728	)	$	(60,723	)	$	(497,809	)	$	(45,421	)	$	(45,421	)	$	(31,470	)	$	4,419		$	4,419
Interest expense		6,329			3,750			5,670			31,420			42,797			68,135			9,663			11,464			18,131
Interest portion of rental expense		1,606			5,584			8,263			19,147			22,268			22,268			5,747			5,455			5,455
Net amortization of debt discount and premium and issuance expense		5,284			30,943			35,028			42,777			49,658			15,427			11,650			13,372			3,856
Fixed Charges	$	13,219		$	40,277		$	48,961		$	93,344		$	114,723		$	105,830		$	27,060		$	30,291		$	27,442
Ratio of Earnings to Fixed Charges		—			—			—			—			—			—			—			—			—
Coverage deficiency ($ millions)	$	(26,438	)	$	(83,005	)	$	(109,684	)	$	(591,153	)	$	(160,144	)	$	(151,251	)	$	(58,530	)	$	(25,872	)	$	(23,023	)