said Obama put on hold Allen?s nomination to serve as supreme allied commander for NATO forces in Europe, canceling Allen?s appearance before the Senate Armed Services Committee this week. The Allen investigation focuses on his extensive correspondence with Jill Kelley, a Tampa resident who had carved out a role as an ad hoc social ambassador to military personnel at MacDill Air Force Base. Petraeus Scandal: Paula Broadwell in Classified Document Probe Paula Broadwell, the author who allegedly had an affair with former CIA Director David Petraeus, is suspected of storing significant amounts of military documents, including classified material, at her home, potentially in violation of federal law. A source familiar with case told ABC News that Broadwell admitted to the FBI she took the documents from secure government buildings. The government demanded that they all be given back, and when federal agents descended on her North Carolina home on Monday night it was a pre-arranged meeting. Prosecutors are now determining whether to charge Broadwell with a crime, and this morning the FBI and military are poring over the material. The 40-year-old author, who wrote the biography on Gen. Petraeus "All In," is cooperating and the case, which is complicated by the fact that as an intelligence officer in the U.S. Military Reserve she had security clearance to review the documents. The FBI found classified material on a computer voluntarily handed over by Broadwell earlier in the investigation. Prosecutors will now have to determine how important the classified material is before