If this magazine had a sound track, you’d be hearing the Hallelujah Chorus now—or at least a peppy rendition of Oh, Happy Day—because the tardy, tarnished and…(quick! somebody give me a T word: tawdry, tacky, tempestuous…tedious?) TV season begins here with a preview of a new series, Baby Boom. Pass the confetti. So what if the show’s next episode won’t arrive until November? So what if we won’t see many more debuts until October? It’s something.