Now that the Democratic party has decided to present the final night of their convention from Invesco Field at Mile High Stadium in Denver before as many as 80,000 enthusiastic voters -- a venue that will underscore Senator Barack Obama's skill as a speaker -- the networks are deciding how they want to cover the event. Will the big three give the Democrats the entire night? One hour, two hours? Will ABC and CBS be compelled to cover the night, when NBC and Fox have the option of using their cable outlets and keep entertainment on the broadcast side?














