"Employers, let's not breathe a sigh of relief that we've dodged yet another federally-mandated employment statute or regulation. As we have witnessed over the past few years, due to the inactivity on this issue at the federal level, a growing number of states and local governments will continue to pass their own versions of paid sick leave.... [T]he President is taking the message to the local level, urging states and cities to pass such laws on their own. And he's putting money behind the effort."