Fox executive Darnell to leave TV network after ratings slump
May 24, 2013 at 17:34 PM EDT
LOS ANGELES, May 24 (Reuters) - Longtime Fox television executive Mike Darnell, who helped shepherd "American Idol" to the top of U.S. TV ratings, will leave the network, Fox said on Friday, after the network lost its lead among the younger audience most appealing to advertisers.