“Great News” got off to a respectable start on NBC Tuesday night, with back-to-back episodes of the series winning their timeslots in adults 18-49. The new comedy from executive producers Tracey Wigfield, Tina Fey, Robert Carlock, Jack Burditt, and David Miner scored a 1.2 rating and 5.2 million viewers at 9 p.m.. That puts it above the debut...