XXXXX DRUDGE REPORT XXXXX SUN SEPT 03, 2006 19:41:35 ET XXXXX BUSH, CLINTON, LIMBAUGH, CRONKITE TO LAUNCH COURIC **Exclusive** Plans for the opening week of CBS EVENING NEWS WITH KATIE COURIC have surpassed network executives' wildest dream: Presidents Bush and Clinton, radio king Rush Limbaugh and broadcast legend Walter Cronkite have all agreed to appear, a CBS insider reveals! A top network source says scheduling of "guest editorials" are still in flux. But the addition of Rush Limbaugh to the CBS EVENING NEWS is bound to generate maximum commotion and tune-in hits.
