. 18 U.S.C.A. §§ 2422(b), 2243(a, b); U.S.S.G. § 4B1.5(a). *1106 B. John Bums, argued, Assistant Public De- fender, Des Moines, IA, for appellant. Richard Lee Richards, AUSA, argued, Des Moines, IA, for appellee. Before LOKEN, Chief Judge, WOLLMAN and BYE, Circuit Judges. LOKEN, Chief Judge. Michael Blazek appe