United States v. Medina-Anicacio, 325 F.3d 638 (5th Cir. March 24, 2003) (California conviction of possession of dangerous weapon, a dagger, in violation of Penal Code 12020(a), does not constitute an aggravated felony under 8 U.S.C. 1101(a)(43)(F), for purposes of as illegal reentry sentence enhancement under USSG 2L1.2, since it is not a crime of violence under 18 U.S.C. 16(a) or (b) because there is no substantial risk offender might use violence in commission of the possession offense)