This guy, Loughner, Dorner and a lot of other mass murderers - all left-wing nut cases. If this were a right-wing nut job, they would tie it to the Tea Party and it would be all over the front pages of America.
"There is nothing which I dread so much as a division of the republic into two great parties, each arranged under its leader, and concerting measures in opposition to each other. This, in my humble apprehension, is to be dreaded as the greatest political evil under our Constitution."
- John Adams