Making an idle statement like putting someone in your cross-hairs is not enough to cause someone to take up arms and kill another person. And in this particular instance the shooter claimed to be a liberal, his youtube page has the Communist Manifesto as a favorite book, and on the Daily Kos he wrote that Gifford was dead to him for not supporting Nancy Pelosi. He was angry at Gifford for being too moderate.

So did politics cause Loughner to shoot Gifford, absolutely. But it was his ultra left politics.

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“…The Tea Party has often been called radical for their loud demonstrations, and holding their elected politicians feet to the fire. But are they anything like Jared Loughner, a liberal, who shot his own Congresswoman in the head for voting against Nancy Pelosi?…”