Preventing violent crime and terrorism is Trump’s stated rationale for restricting U.S. immigration particularly from Mexico, Central America and select Muslim majority countries. Security experts and researchers report that U.S.-born, domestic, right-wing fundamentalists who belong to white supremacist or white nationalist anti-government groups are a greater terrorism threat than any foreign-born group. Finally, given the current existential threat to sacred national institutions of a civil democracy — such as a free press, an independent judicial system and intelligence agencies — our administration officials, legislators, policymakers and the chief executive should all be subjected to a process of extreme vetting.