I would concur with Gardener, and with the Sheriff at the scene, who spoke through his personal loss and anger to point to the ugly truth.
"When you look at unbalanced people, how they respond to the vitriol that comes out of certain mouths about tearing down the government,' Pima County Sheriff Clarence Dupnik told a news conference.
'The anger, the hatred, the bigotry that goes on in this country is getting to be outrageous.
'And, unfortunately, Arizona I think has become sort of the capital. We have become the Mecca for prejudice and bigotry.'
He added: 'That may be free speech. But it's not without consequence...."
Read more: Sarah Palin under fire as sheriff Clarence Dupnik blames political 'vitriol' for Arizona shooting | Mail Online