I am tolerant. I have Republican friends. When racists speak in my presence, I don't smash them in the jaw. I try to change their minds. Many of my close friends and relatives believe in God, which is wrong and therefore stupid, yet I don't consider them stupid — just mistaken. America, I believe, must create and maintain the space where a multitude of points of view can thrive.

But there are limits. Not every opinion should be tolerated. If you think torture is OK — under any circumstance, for any reason — you are dangerous. If you believe that "they" had torture coming because "they" attacked "us" on 9/11, or because "they" chop off "our" heads, you are psychotic and sociopathic and should not be free to walk the streets, much less sit on juries or vote or drive a car or hold a job that a perfectly sane unemployed person needs.

If you diminish the exquisite horror of torture — if you think sleep deprivation and blasting loud music into victims' ears and solitary confinement and stress positions and mock executions and beatings are not "really" torture — I want you locked up, the key thrown away, never to be heard from again.