At first the FBI probed the e-mails of Paula Broadwell and CIA Director David Petraeus from a suspicion of cyberstalking and harassment. They then dropped the probe after determining that the biographer of Petraeus had a personal relationship with him, even though they discovered that Broadwell had classified documents on her computer. After the entire probe went public and forced Petraeus to resign, FBI agents suddenly conducted a seizure of materials from Broadwell’s home — which the Washington Post reports comes from a belated curiosity into her possession of those classified documents: The FBI is making a new push to...