NEW YORK - For the past decade, the "American Idol" season finale has been one of television's biggest events of the year. Now it's not even TV's biggest event of the week.The Nielsen company estimated that 14.3 million people watched Candice Glover's victory over Kree Harrison in last week's final episode of the season. Both the CBS drama "
NCIS" and comedy "
The Big Bang Theory" had more viewers.The viewership was a startling half of ...