senate republican leaders release update version healthcare bill thursday would dismantle obamacare attempt bring early version legislation vote fell apart amid intraparty revolt new version bill little assuage concern moderate republicans worry deep cut medicaid would harm vulnerable residents two republican senators say would even vote open debate bill senate majority leader mitch mcconnell afford lose two party 52 republicans vice president mike pence ready cast tie-breaking vote senate add number change bill attempt win support main provision new version bill bill contain amendment conservative republican senator ted cruz would allow insurers sell stripped-down low-cost insurance plan comply obamacare requirement insurers cover set 10 essential health benefit benefit include maternity newborn care mental health service addiction treatment outpatient care hospitalization emergency room visit prescription drug insurers strongly oppose amendment say would raise insurance premiums sick people destabilize individual insurance market undermine protections pre-existing medical condition senior republican senate aid say nonpartisan congressional budget office cbo would assess version legislation amendment one without bill retain two key tax wealthy create obamacare help pay provision legislation keep 3.8 percent net investment income surtax individuals earn 200,000 couple earn 250,000 0.9 percent surtax medicare insurance program elderly people incomes also keep obamacare limit corporate tax deductions executive pay health insurance industry earn zero 350 percent federal poverty level eligible tax credit proposal credit generally less generous provide obamacare obamacare earn 100 400 percent federal poverty level eligible tax credit early version bill repeal several obamacare tax include pharmaceutical medical device health insurance industries also repeal fine individuals purchase health insurance well penalty employers provide health insurance bill leave place overhaul medicaid government health insurance program poor moderate republicans hop update version would soften cut say would devastate vulnerable residents bill unwind obamacare medicaid expansion three years 2021 2024. go beyond repeal obamacare impose drastic cut medicaid deepen 2025. cbo estimate bill would cut medicaid nearly 800 billion 2026 would cut medicaid 35 percent come 2036. bill contain additional 45 billion opioid epidemic devastate part unite state include west virginia ohio pennsylvania top billion include previous version bill legislation also contain additional 70 billion beyond 112 billion early version state help insurers keep rise insurance premiums help lower-income insurance holders cover out-of-pocket medical expense factbox senate healthcare bill would slash medicaid keep tax wealthy