talentnetworkinc.blogspot.com — Those lovable American Idols will visit the Mellon Arena July 29 for a tour that, fittingly, is sponsored by Pop Tarts. While this season's winner has not been anointed, the final three, David Archuleta, David Cook and Syesha Mercado, will perform, along with Jason Castro, Brooke White, Carly Smithson, Chikezie, Kristy Lee Cook, Michael Johns and