HBO thinks it may have found a series that — in some ways — can replace the mighty (and soon to depart) "Sopranos" as its centerpiece drama. The show is "Deadwood," the gritty, foul-mouthed Western. The news on "Deadwood," HBO's latest drama series, has been highly favorable on two fronts. It drew the second-highest rating for any new drama in HBO's history, and it was also greeted with some of the best reviews that the network has seen at least since the start of "Six Feet Under" three years ago.
