As the Court recognized, the prohibitions of "genuine" youngster pornography in Ferber and Osborne have been upheld on a manufacturing-dependent rationale. Congressional Findings (501) at (2)-(3) (citing Osborne v. Ohio, 495 U.S. 255, 122 S.Ct. at 1404 (citing Broadrick v. Oklahoma, 413 U.S. 535 U.S. at 258, 122 S.Ct. 41, 119 S.Ct. 1849, one hundred forty four L.Ed.