"People do not go out and kill strangers, whether are 9 or 79, because of rhetoric."

Neither do they kill people they know due to rhetoric on TV or radio.

Several sources on the web say that the Tucson shooter worked for Ms Giffords campaign at least once, maybe twice. He spoke to her before and knew what she claimed to stand for.

This was probably a case of being dissapointed at your hero. Same thing happened to John Lennon.

Drugs and mental problem are a bad mix too.