washington u.s. senate republicans plan unveil text draft healthcare bill thursday senators struggle issue future medicaid program poor bring insurance cost republicans chamber work weeks behind close doors legislation aim repeal replace major portion affordable care act former democratic president barack obama signature healthcare law popularly know obamacare effort plague start tensions moderate conservatives surface tuesday democrats also criticize behind-the-scenes meet stag protest senate floor monday republicans write healthcare bill cover darkness ashamed senate democratic leader chuck schumer charge president donald trump campaign promise repeal obamacare 2010 law extend insurance coverage millions americans subsidize private insurance expansion medicaid republican-controlled house representatives narrowly approve version repeal last month trump urge republican-led senate pass generous bill approve house whose version privately call mean accord congressional source estimate 23 million people could lose healthcare house plan accord non-partisan congressional budget office senate majority leader mitch mcconnell say tuesday senate healthcare bill would different house version elaborate senate moderate include senator shelley moore capito argue long seven-year phase-out medicaid expansion happen obamacare senator john thune member republican leadership say tuesday phase-out bill might three years capito say tuesday also concern senate healthcare plan might cap medicaid spend shift low growth rate 2025 issue say senate conservatives also seem wary emerge bill ted cruz member core group 13 republicans work legislation tell reporters bill yet enough low health insurance premiums go pass bill go make meaningful step reduce premiums say give opposition senate democrats repeal obamacare republican leaders need support least 50 chamber 52 republicans ensure passage mcconnell announce discussion draft would lay thursday bill bring senate floor cbo assess cost impact likely next week mcconnell say thune say bill yet finalize say try get definitive determinations range issue vice president mike pence predict new healthcare legislation would enact summer want assure summer ... president donald trump congress keep promise american people repeal replace obamacare pence tell meet national association manufacturers weeks secrecy senate unveil healthcare bill