United States v. Valladares, 304 F.3d
1300 (8th Cir. Sept. 26, 2002) (California conviction for
second-degree robbery under Penal Code § 211 constituted an
aggravated felony within meaning of version of Sentencing
Guidelines in effect at time of defendants current offense,
so that application of amended guideline, which provided for
the same increase, did not violate the Ex Post Facto clause).