NBC BUILDS ON WINNING LINEUP WITH STRONG INVESTMENTS IN RETURNING HITS, DOMINANT ALTERNATIVE PROGRAMMING, ADDICTIVE NEW DRAMAS, A RENEWED FOCUS ON COMEDY AND HOMECOMINGS FOR BIG NBC STARS Monday: “The Voice,” #1 in Its Timeslot, Returns With Kelly Clarkson, John Legend, Adam Levine and Blake Shelton, Providing Coveted Launch Spot to Aspirational New Legal Drama “Bluff City Law,” Starring …