(Will new requirement for driver's licenses create unsafe roads and second-class citizens?) Laws requiring motorists to prove they are in the country legally to get a driver's license will force immigrant workers further underground, make roads more dangerous and inconvenience all drivers, local workers' rights advocates say.A state law goes into effect April 1, requiring proof of legal presence in the United States before a driver's license or state ID card is issued. The new law will put Wisconsin in compliance with the federal REAL ID law, which requires states to adopt a legal presence requirement by May 2008. Civil...