As the full Senate debate over health care reform legislation finally gets under way following Saturday’s vote, Democratic leaders in Congress should continue fending off special-interest amendments that could be added to what promises to be an enormous piece of legislation. One such provision almost made it into a House committee’s bill earlier this year: a “litigation earmark,” as some in the business community termed it, that had nothing to do with improving America’s health care or cutting health costs but would have opened the door to speculative, mass litigations against American businesses.