The Washington establishment outlet Politico claimed on Monday to have obtained classified documents stating that senior Pentagon leaders discussed plans for a “mass casualty event” at a video meeting the day before nearly 200 died in a Kabul suicide attack. The outlet described the document as a transcript of high-level military meetings. Politico claimed Defense Secretary Lloyd Austin instructed top leaders in over a dozen departments to prepare for such an event in a meeting on Wednesday, citing the documents. It also quoted Chairman of the Joint Chiefs of Staff Gen. Mark Milley claiming to have “significant” information about a...