More than a dozen health care stakeholders recently filed briefs in support of groups that are asking a federal district court to immediately end implementation of the Trump administration’s rule expanding access to short-term health plans. The plaintiffs, which include providers, issuers and patients, filed the motion for preliminary injunction last month and the court will hear the case Oct. 26. At issue is the administration’s August rule that allows short-term, limited duration plans to run for up to 364...