washington two u.s. senators tuesday reach bipartisan agreement shore obamacare two years revive federal subsidies health insurers president donald trump plan scrap president indicate support plan deal work republican senator lamar alexander democratic senator patty murray would meet democratic objectives include revive subsidies obamacare restore 106 million fund federal program help people enroll insurance plan exchange republicans would get flexibility state offer wide variety health insurance plan maintain requirement sick healthy people charge rat coverage trump administration say last week would stop pay billions dollars insurers help lower-income americans pay medical expense part republican president effort dismantle obamacare former democratic president barack obama signature healthcare law subsidies private insurers cost government estimate billion year forecast 10 billion 2018. trump move scuttle raise concern chaos insurance market trump hop make good campaign promise dismantle law take office january republicans pledge seven years scrap control congress frustrate failure pass legislation repeal replace obamacare formally know affordable care act extend health insurance coverage 20 million americans republicans say ineffective massive government intrusion key sector economy alexander-murray plan could keep obamacare place least 2020 presidential campaign start heat take care next two years full-fledged debate go long-term healthcare alexander say deal unclear whether agreement make congress chuck schumer top senate democrat say broad support among senators party hard gauge possible support among republicans moderate republican senator susan collins help sink early obamacare repeal legislation voice back new plan conservative republicans may less welcome senator bernie sanders independent run democratic presidential nomination 2016 throw weight behind effort interview reuters sanders say alexander well-respected figure know bipartisanship tennessee senator reputation would help propel legislation senate willingness sanders liberal champion offer support deal republicans could allow state change obamacare requirements provide boost alexander-murray effort go overturn trump try sanders say schumer urge senate majority leader mitch mcconnell bring plan vote senate floor urge house representatives take quickly possible trump sign trump still seek long-term solution trump comment white house suggest could get behind alexander-murray plan short-term solution remark late heritage foundation conservative think tank trump commend work alexander murray say continue believe congress must find solution obamacare mess instead provide bailouts insurance company trump say early want lawmakers complete major tax reform effort take broad legislation fail senate last month would divvy federal healthcare money block grant state murray top democrat senate health education labor pension committee alexander chairman say two able find common grind step aim stabilize insurance market create obamacare help protect families premium spike result sabotage see administration accord document see reuters plan would make easy state get waivers approve would allow offer cheap healthcare plan include catastrophic health plan cover limit set benefit currently available 30. share u.s. hospital operators include tenet healthcare corp hca healthcare inc move high news deal tenet share close 5.3 percent high hca rise 2.2 percent share u.s. health insurers also extend gain day anthem inc finish 1.9 percent centene corp gain 3.2 percent analyst brian tanquilut global investment bank firm jefferies focus hospital company say deal pass congress stabilize obamacare insurance exchange improve viability hospitals avoid potential spike bad debt charity care next year tanquilut say obviously good step bipartisan guarantee two years u.s. senators reach bipartisan deal obamacare trump indicate support