When challenged that killing citizens without due process is a war crime, the vice president responded that he "didn't give a sh*t." Sometimes in fits of anger, loud voices will say they don't care about niceties such as due process—they just want to kill bad guys. For a brief moment, all of us may share that anger and may even embrace revenge or retribution. But over 20,000 people are murdered in the U.S. each year, and yet somehow we find a way to a dispassionate dispensation of justice that includes legal representation for the accused and jury trial. Why? Because...