[JURIST] The US Supreme Court [official website; JURIST news archive] heard oral arguments [day call, PDF; merit briefs] Wednesday in Chamber of Commerce v. Whiting [oral arguments transcript, PDF; JURIST report] on whether an Arizona statute imposing sanctions on employers that hire illegal immigrants is preempted by federal law. According to 8 USC 1324(a)(h)(2) [text], federal law preempts any "[s]tate or local law imposing civil or criminal sanctions upon those who employ, or recruit or refer for a fee…