MELVIN T. WALKER, PLAINTIFF-APPELLEE, v. DENNIS M. LUTHER, WARDEN, DANIEL R. LOPEZ, REGIONAL COMMISSIONER, AND UNITED STATES PAROLE COMMISSION, DEFENDANTS-APPELLANTS. LOUIS BOLDEN, JR., PLAINTIFF-APPELLEE, v. DENNIS M. LUTHER, WARDEN, DANIEL R. LOPEZ, REGIONAL COMMISSIONER, AND UNITED STATES PAROLE COMMISSION, DEFENDANTS-APPELLANTS. Nos. 730, 731. Dockets 86-2342, 86-2356.United States Court of Appeals, Second Circuit.Argued January 26, 1987. […]