porno- graphy, based on determination of the fact of a pri- or conviction by sentencing judge, rather than jury, did not violate defendants Fifth or Sixth Amend- ment rights. U.S.C.A. Const.Amends. 5, 6; 18 U.S.C.A. §§ 2251(e), 3559(e). 1111 Indictment and Information 210 C=113 210 Indictment and Informatio