1) I don't get how you can read that sentence and come away with anything other than what any bartender or college student could tell you: Alcohol causes an increase in violent behavior. The precise mechanism is complicated and the drug likely acts in several ways, but you put alcohol in, and violence comes out.

2) By your argument, cigarettes don't cause cancer. Maybe all cells have the capacity to become cancerous, and maybe people with more of those cells just have biological urges to smoke. (Is RJR hiring?) There is a point beyond which ridiculous stretches of the imagination to encompass a hypothetical are counterproductive. This is like the people who say "You can't prove the moon landing was real."

valguarnera@carrionfields.com