Exhibit 12.1 Ratio of Earnings To Fixed Charges

	Year Ended December 31,
	2003			2002			2001			2000			1999
	(amounts in thousands)
Net Income (loss)	$	35,282		$	(149,132	)	$	(567,277	)	$	(1,411,273	)	$	(719,968	)
Equity in losses of equity-method investees		436			4,169			30,327			304,596			76,769
Net Income (loss) before equity in losses of equity-method investees		35,718			(144,963	)		(536,950	)		(1,106,677	)		(643,199	)
Plus fixed charges:
Interest expense including amortization of debt issuance costs		129,979			142,925			139,232			130,921			84,566
Assumed interest element included in rent expense		5,718			6,205			8,880			10,773			4,732
		135,697			149,130			148,112			141,694			89,298
Adjusted earnings (loss)		171,415			4,167			(388,838	)		(964,983	)		(553,901	)
Fixed charges		(135,697	)		(149,130	)		(148,112	)		(141,694	)		(89,298	)
Excess (deficiency) of earnings to cover fixed charges	$	35,718		$	(144,963	)	$	(536,950	)	$	(1,106,677	)	$	(643,199	)
Ratio of earnings to fixed charges (1)		1.26			0.03			(2.63	)		(6.81	)		(6.20	)

(1) The ratio of earnings to fixed charges is computed by dividing (i) income (loss) before income taxes and losses from equity interests, plus fixed charges by (ii) fixed charges.