Mealey's (April 22, 2016, 8:07 AM EDT) -- WASHINGTON, D.C. — In considering North Dakota and Minnesota laws that criminalize a driver’s refusal to submit to warrantless blood-alcohol tests, the U.S. Supreme Court on April 20 heard arguments from both states, drivers who were arrested and the federal government, centering on privacy concerns and rights under the Fourth Amendment to the U.S. Constitution (Danny Birchfield v. North Dakota, No. 14-1468, William Robert Bernard Jr. v. State of Minnesota, No. 14-1470, Steve M. Beylund v. Grant Levi, Director of the Department of Transportation, No. 14-1507, U.S. Sup.)....