Mealey's (April 18, 2022, 2:34 PM EDT) -- WASHINGTON, D.C. — Counsel representing the federal government and the state of Washington presented arguments on April 18 to the U.S. Supreme Court on the state’s right to regulate workers’ compensation on federal land, as well as whether the appeal by the federal government is moot after Washington altered its 2018 law created to address private employees at the Hanford nuclear site....