washington republican u.s. lawmakers expect unveil week text long-awaited legislation repeal replace obamacare healthcare law one president donald trump top legislative priorities senior republican congressional aide say sunday since take office january trump press fellow republicans control congress act quickly dismantle former democratic president barack obama affordable care act pass plan replace lawmakers party differ specifics democrats warn republicans risk throw entire u.s. healthcare system chaos repeal 2010 law pass congressional democrats unite republican opposition republicans condemn government overreach trump call disaster aide cite progress meet phone call start friday last weekend involve house representatives speaker paul ryan health human service secretary tom price white house budget chief mick mulvaney trump domestic policy adviser andrew bremberg others good place right draft continue anticipate release final bill text early week say aide speak condition anonymity aide call expect bill consensus republican plan offer detail ashlee strong spokeswoman ryan say culmination years-long process keep promise american people obamacare law prove popular many state even control republicans enable 20 million previously uninsured people get medical insurance although premium increase anger u.s. republicans expect unveil healthcare bill week