Can We Just Execute This Terrorist Already?

It seems impossible that it's been almost exactly 17 years since U.S. Army Maj. Nidal Malik Hasan shouted "Allahu Akbar!" and opened fire on soldiers at the Fort Hood Soldier Readiness Center in Killeen, Texas. By the time Department of the Army police officer Kimberly D. Munley and Sgt. Mark Todd exchanged gunshots with Hasan and disabled him; he had killed 14 people — including an unborn baby — and wounded 32 more. Before going down, Hasan shot Munley three times, in the right hand, left thigh, and left knee. She survived, but never fully recovered from her injuries. Hasan's...