Garcia-Meza v. Mukasey, 516 F.3d 535 (7th Cir. Feb. 5, 2008) (Illinois conviction of "aggravated battery of a police officer," in violation of 720 ILCS 5/12-4(b)(6), did not constitute a crime involving moral turpitude, because the minimum conduct includes spitting on a police officer and other de minimus conduct).