Calling a proposed crackdown on immigrants in Arizona "misguided," President Barack Obama said Friday the federal government will closely monitor the situation in the state for possible civil rights violations. A bill approved by the Arizona legislature would make it a crime not to carry proof of legal status and would empower police to ask about a person's immigration status if they have doubts. The bill has not yet been signed by Arizona Gov. Jan Brewer, a Republican. Obama said the legislation "threatened to undermine basic notions of fairness that we cherish as Americans, as well as the trust between...