The apparent choice of Arizona Gov. Napolitano to be Pres. Obama's head of Homeland Security is a very mixed signal. But Napolitano has witnessed how a mandatory workplace verification law in her state has performed like a charm with no significant disruption of the state's businesses. She should make her DHS job a lot easier by persuading Obama to endorse Rep. Shuler's (D-N.C.) SAVE Act which essentially would make the Arizona law a federal law.