In this commentary, Damon Root points to the Supreme Court’s 1997 ruling Printz v. United States to support his argument that California’s immigrant sanctuary laws should withstand the Justice Department’s legal efforts to invalidate them. Root quotes Justice Antonin Scalia, who penned the majority opinion: “the federal government may neither issue directives requiring the states to address particular problems, nor command the states’ officers . . . to administer or enforce a federal regulatory program.” Read more here.