The 90 second video from Elissa Slotkin, Mark Kelly, Jason Crow, Chris Deluzio, Chrissy Houlahan, and Maggie Goodlander looks innocuous at first viewing. A few elected officials, all veterans or national security professionals, appear on camera and remind American troops that they must refuse unlawful orders. The script is familiar. Every recruit learns some version of that principle. Yet context matters. These same lawmakers have spent months describing President Trump’s actual, ongoing orders as unlawful. They released their message in the middle of live litigation over those orders. They did not speak in hearings or white papers but in a...