The Republican-led House of Representatives voted on Thursday to ease Obamacare’s health insurance requirements for employers by approving the first of an expected series of bills aimed at weakening the overall healthcare reform law. Only 12 Democrats broke with President Barack Obama to join Republicans in backing a measure that would allow companies to offer health coverage to fewer full-time workers by raising the full-time benchmark to 40 hours of work a week, from the 30 hours currently stipulated by the Affordable Care Act.