House Speaker Paul Ryan labored to rally divided Republicans behind a high-stakes drive to overhaul the nation’s health care system Wednesday, praising his party’s legislation as “what good, conservative health care reform looks like” as lawmakers cast Congress’ first votes. Republicans who control two crucial House committees – Ways and Means, and Energy and Commerce – but hit a torrent of resistance from Democrats who oppose the seven-year GOP effort to unravel former President Barack Obama’s health care law.