Peter, I'm with Voltaire, but only most of the time...

This is the crunch. It is nice to think that we are fortunate enough to live in a world where there was the luxury of such a choice - I fear that when it comes to this question - it is a case of all all nothing.

"I disapprove of what you say but will defend to the death your right to say it."

Are you going to defend someone only to the extent of being slightly bruised or at the first sight of blood?

Or are you going to ask them to whisper very softly?