I got the right to kill anybody that's tryina kill me or my extended family. Bush, the police, CEOs of multi-national corporations, etc.
Do unto others as you would have them do unto you, but when they do something to you you have the option to do to them as they would do to you.
Like Malcolm said, that's not violence, that's intelligence. Common sense. There's not an animal on earth that wouldn't defend itself if threatened.