washington u.s. senate republicans thursday unveil legislation would replace obamacare plan scale back aid poor kill tax wealthy bill fate quickly throw question several senators voice skepticism four conservative lawmakers say could support current form leave republicans short vote need passage democrats unite opposition 142-page proposal work secret group lead senate majority leader mitch mcconnell aim deliver central campaign promise president donald trump roll back former president barack obama signature healthcare law provide coverage millions americans since pass 2010. republicans view law formally know affordable care act costly government intrusion private marketplace trump welcome bill indicate change may store supportive senate healthcarebill look forward make really special write twitter trump urge house representatives pass similar bill may criticize private mean pass say wednesday want health plan heart democrats immediately attack legislation callous giveaway rich would leave millions without coverage president say house bill mean say senate democratic leader chuck schumer senate bill may even mean obama weigh facebook chance might get sick get old start family bill harm write senate conservative members say plan enough scale back u.s. government role current bill repeal obamacare keep promise american people say senator rand paul along fellow republican senators ted cruz mike lee ron johnson say could support current form share hospital company health insurers rise bill release overall 500 healthcare sector close 1.1 percent all-time high initial proposal think generous positive industry expect say jeff jonas portfolio manager gabelli fund months often bitter debate republicans struggle craft legislation low cost reduce government involvement minimize inevitable disruptions would come revamp sector account one-sixth world large economy nonpartisan congressional budget office find house bill would kick 23 million americans health plan legislation unpopular public few one americans support accord reuters/ipsos poll senate measure maintain much structure house bill differ several key ways senate bill would phase obamacare expansion medicaid program poor gradually house version wait next presidential election 2020 would enact deep cut start 2025. would also allow state add work requirements 70 million americans depend program legislation also provide generous tax subsidies house bill help low-income people buy private insurance subsidies would base income rather age-based subsidies contain house bill major improvement accord republican senator susan collins key moderate express concern bill impact poor senate legislation provide less money however opioid epidemic allocate billion 2018 compare 45 billion 10 years house version versions would repeal 3.8 percent net investment income tax high earners key target republicans also would repeal penalty impose large employers provide insurance workers remove fine obamacare impose choose go uninsured policy experts say would keep young healthy people market likely create sick patient pool senate bill would provide money stabilize individual insurance market allot 15 billion year 2018 2019 10 billion year 2020 2021. propose defunding plan parenthood year abortion-related restrictions less stringent house version uncertainty whether would comply senate rule could include another senate bill mcconnell say democrats choose help frame bill republicans say would fix collapse health marketplace republicans believe responsibility act say democrats say offer help fix obamacare rebuff bill real-world impact yet know cbo expect provide estimate early next week lawmakers speak legislation senate floor protest erupt outside mcconnell personal office many people wheelchairs block hallway hold sign chant cut medicaid u.s. capitol police say 43 protesters arrest charge obstruction aside quartet conservatives none 48 republican senators appear reject bill hand several say would check home-state constituents take position expect go number change final vote say senator john barrasso wyoming senate republicans unveil obamacare replacement bill fate uncertain