There is no justifying the Obama administration's decision to grant a civilian trial to Khalid Sheik Mohammed and four other 9/11 plotters who carried out the deadliest act of war ever committed on US soil. President Obama must not grant the worst of war criminals the same constitutional rights enjoyed by the nearly 3,000 US citizens they massacred on 9/11. If he won't reconsider, Congress must act. Beginning in the Revolutionary War, it has been recognized throughout our history that wartime enemies aren't mere criminal defendants. When they commit provable war crimes, they're tried by military commission — a process...