Defense Secretary Lloyd Austin told top Pentagon leaders to prepare for a potential 'mass casualty event' 24 hours before a suicide bomb rocked the hurried U.S. evacuation at the Kabul airport, new internal DOD documents reveal. The documents, which the Pentagon condemned as a leak of classified information and urged the media not to report, detail top military officials trying to sort out security in a situation they already deemed a major risk. 'I don't believe people get the incredible amount of risk on the ground,' Austin said on the call. Austin told more than a dozen leaders who joined...