House Republicans on Wednesday jump-started the immigration debate, pushing through the Judiciary Committee a key immigration-enforcement measure to require businesses to check new employees’ work status against a government database — (The) bill would invalidate those (however, those state and local) laws, which prompted Democrats to accuse Republicans of overriding states’ rights. “Until we step up and do the job, I don’t think we should be pre-empting anybody trying to deal with this issue,”