Mealey's (August 12, 2019, 9:40 AM EDT) -- WASHINGTON, D.C. — The U.S. government on Aug. 7 filed a brief in the U.S. Supreme Court contending that it should not grant review of a securities fraud case because the appellate court correctly held that the lower court did not abuse its discretion when it refused to hold a hearing about the FBI’s leaks of grand jury material (William T. Walters v. United States, No. 18-1393, U.S. Sup.)....