As 'American Idol' ratings plummet further, let's stop trying to reinvent this once-hot show

The once-scorching hot "American Idol" has been flailing in the ratings for a while, but it became embarrassingly evident this week -- the first part of the Season 13 finale on Tuesday night attracted only 6.6 million viewers, the lowest-rated episode in the history of Fox's reality singing competition. On Wednesday, only 10.1 million people watched 23-year-old rocker Caleb Johnson triumph as the winner over 17-year-old powerhouse singer Jena Irene; that's by far the least-watched finale ever (d...