Exhibit 12.1 Ratio of Earnings To Fixed Charges

		Three Months
		Ended March 31,			Year Ended December 31,
		2003			2002			2001			2000			1999
		(amounts in thousands)
Net loss		$	(10,121	)	$	(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 loss before equity in losses of equity-method investees			(9,685	)		(144,963	)		(536,950	)		(1,106,677	)		(643,199	)
Plus fixed charges:
	Interest expense including amortization of debt issuance costs		36,511			142,925			139,232			130,921			84,566
	Assumed interest element included in rent expense		1,414			6,205			8,880			10,773			4,732
			37,925			149,130			148,112			141,694			89,298
	Adjusted earnings (loss)		28,240			4,167			(388,838	)		(964,983	)		(553,901	)
	Fixed charges		(37,925	)		(149,130	)		(148,112	)		(141,694	)		(89,298	)
Deficiency in earnings to cover fixed charges		$	(9,685	)	$	(144,963	)	$	(536,950	)	$	(1,106,677	)	$	(643,199	)