Singing, dancing and Chicago was the formula NBC used for a weekly victory in the ratings.
"The Voice" returned from a hiatus and earned three of the top four slots in the Nielsen company's list of the most-watched programs last week. The exception was "Little Big Shots," the debut of another variety show, this one featuring talented youngsters with Steve Harvey as host.
NBC, rebooting for the midseason, also landed in the top 20 with all four of producer Dick Wolf's Chicago-based dramas that aired last week, including the latest, "Chicago Justice."
NBC averaged 7.3 million viewers in prime-time for the week. CBS was second with 6.1...