"No man is justified doing evil on the grounds of expediency."
--Theodore Roosevelt, "The Strenuous Life" (1900)

Last week, I was having dinner with a good friend who is an extremely bright and thoughtful person. I shared with him how shocking it is to me that our country is having a rational debate about whether or not it's permissible to torture people. "It's unfathomable to me that some people think it's morally...