NBC launched this David E. Kelley legal series almost as an afterthought, as a Friday night throwaway. But it performed strongly, so NBC moved it to a more competitive evening – and Kelley responded, too, by quickly refashioning his new series into an enjoyable comedy-drama in the Boston Legal vein: sometimes cartoonishly comic, other times searingly serious. Tomorrow night, NBC re-relaunches the series on yet another new night, the ultra-competitive Sunday, where it will go up against suc