Civil rights groups were preparing to fight controversial anti-immigration laws introduced in Arizona. Gov. Jan Brewer ignored criticism from President Barack Obama and signed into law a bill on Friday that supporters said would take handcuffs off police in dealing with illegal immigration in Arizona, the nation's busiest gateway for human and drug smuggling from Mexico. With hundreds of protesters outside the state Capitol shouting that the bill would lead to civil rights abuses, Brewer said critics were "overreacting" and that she wouldn't tolerate racial profiling. "We in Arizona have been more than patient waiting for Washington to act," Brewer...