The National Immigration Forum just published a report on the potential copying of Arizona's SB 1070. It is aimed at state legislators who are contemplating such a law, with detailed discussion of several states. It is hard to argue with the following conclusion:
Thus, Republicans are presented with a choice: Will they use their newfound political clout to pursue harsh immigration enforcement legislation that is prohibitively expensive, endangers public safety, will result in costly lawsuits, undermines local economies, and turns off a key and growing voting demographic? Or, will they use their new power to lead states to practical solutions, court a powerful new Latino and immigrant electorate and pave a way for their party to make even more gains in 2012?