Conviction and sentencing of defendant for battery on a correctional officer, Pen. Code section 4501.5, and with two prior conviction enhancements are upheld over defendant's meritless challenges on the grounds that: 1) his prior conviction was inadmissible as a matter of law, as it was not a crime of moral turpitude; or alternatively, 2) even if the conviction was admissible, the trial court abused its discretion under Evidence Code section 352 by admitting it because it was minimally probative and highly prejudicial.