Good Morning America will institute a five-second delay when Boobygate star Janet Jackson performs on its March 31 show... Stephen King's Kingdom Hospital flatlined Wednesday, dropping 35 percent from its debut last week... A&E Network has cleared a second season of its runway reality hit Airline for takeoff... Buena Vista has renewed the syndicated version of Who Wants to Be a Millionaire for a third season. Ratings for the Meredith Vieira-hosted quizzer are up 23 percent over last year.