Paced by the combination of NBC Sports' February 5 coverage of the Super Bowl and primetime's #1 series for the month, "The Voice," NBC has won the February 2012 Nielsen Sweep in the key demographic of adults 18-49 and ranks #1 or tied for #1 in all other key demographics. The hit Monday singing competition "The Voice" finished as the #1 series for the February sweep in adults, men and women 18-34; adults, men (tie) and women 18-49; adults and women 25-54; kids 2-11 and teens 12-17, led by results for its February 5 season premiere following the Super Bowl. In adults 18-49, "The Voice" averaged a 7.5 rating for the month and in total viewers, "The Voice" delivered 19.4 million persons. With all 28 nights of the February 2-29 period now measured, "most current" averages in adults 18-49 for the month are: NBC (a 3.7 rating), CBS (3.0), Fox (3.0), ABC (2.5) and CW (0.7). In total viewers, "most current" sweep averages...