Defense Secretary Lloyd Austin’s decision to revoke a plea deal for 9/11 defendants likely came too late, military law experts told the Daily Caller News Foundation. The plea deal for alleged 9/11 mastermind Khalid Sheikh Mohammed and two alleged accomplices faced prompt backlash from families of victims and lawmakers when it was announced July 31. Days later, Austin revoked the deal in a memo, writing that the responsibility should rest with him in light of the “significance of the decision.” Read: Arkansas, Kentucky GOP Senators Praise Secretary Austin For Revoking 9/11 Terrorists’ Plea Deal…