The second Monday of American Idol and The Voice going head-to-head brought another easy victory for the latter. NBC owned the hours between 8 and 10 o?clock by an advantage of 33 percent in a key demographic. All told, Monday's episode of The Voice averaged a 2.3 rating among adults 18-49 and 10.7 million viewers. While American Idol is pulling a smaller audience than Dancing With the Stars has in the same time slot, it?s skewing much younger ? pulling a stronger showing among adults 18-49.