The satellite dish channel said today it has cleared a spot for ESPN3D on its 3D channel lineup.ESPN 3D is supposed to have about 85 live sporting events a year -- think X Games, the 2011 BCS title game and this fall's ACC title game, but it starts with 25 World Cup games, launched on June 11 with South Africa-Mexico. "And we tried to get people to watch soccer (years ago) ... and that didn't work," says David Letterman in the clip above. Watch and learn, while going after that dangling carrott that ESPN offers in 3D.