Plaintiffs in an Affordable Care Act lawsuit are now asking a federal judge to toss all parts of the law requiring coverage of preventive health services. The filing raises the stakes in the closely watched case, Kelley v. Becerra. If U.S. District Court Judge Reed O’Connor sides with the plaintiffs, millions of Americans could lose coverage for cancer screenings, behavioral counseling, and other recommendations made by the U.S. Preventive Services Task Force. Read more.