Union members for tort reform?

I've often wondered why unions weren't more involved in tort reform legislation, given that it often has such adverse effects on injured workers. As it turns out, at least one big union has been involved--in trying to get tort reform passed! The SF Weekly yesterday told the story of Andy Stern, head of the giant service workers' union SEIU, and a secret deal he cut with nursing home operators in California to help them win legal immunity for killing, maiming or otherwise negligently injuring elderly patients. It's not a pretty picture of the often revered union boss. California consumer activist Jamie Court has posted all the incriminating documents here...