WATCHING THE EAST COAST MEDIA attempt to cover the California recall is like watching Tim McCarver call a Dodgers game while Vin Scully looks on without a mike. It doesn’t have to be this way. In fact, the recall is such a big story during such a slow news time that “Nightline” could relocate for the duration and get decent numbers. (All of the big cable shows ought to have decamped for the west side of L.A. long ago.) Still, even if the Atlantic Division talking heads come West for some Pacific rim grins, their bookers will need some names: