(April 3, 2020, 7:44 AM EDT) -- WASHINGTON, D.C. — The Railroad Retirement Board’s final decisions “are judicially reviewable,” including those denying reopening of prior benefits determinations, a retired carpenter argues to the U.S. Supreme Court in his March 31 opening brief, asking for reversal of a lower appellate court’s judgment and remand for further proceedings concerning his disability benefits (Manfredo M. Salinas v. U.S. Railroad Retirement Board, No. 19-199, U.S. Sup.)....