LOS ANGELES, Calif. -- Kelly Clarkson, David Cook, Kris Allen, Jordin Sparks and every other winner of 'American Idol' is on Twitter, except for one - Carrie Underwood.'It just sounds like organized stalking to me,' Carrie told country music Web site The Boot of Tweeting. 'I talk to my fan club members and I blog, and they know what's going on.'Carrie has very good reasons for not joining the social networking service - she wants a personal life.