( May 22, 2026, 11:43 AM EDT) -- WASHINGTON, D.C. — A District of Columbia Circuit U.S. Court of Appeals panel on May 21 asked the United States to file an amicus curiae brief regarding its views on an international treaty and Russian law in relation to the Russian Federation’s appeal of a judge’s denial of its motion to dismiss or stay a Luxembourg entity’s petition to enforce an arbitral award worth more than $5 billion for the loss of a loan to its parent company....