washington u.s. senate republicans tuesday link repeal key component obamacare ambitious tax-cut plan raise new political risk uncertainties tax measure financial market monitor closely months comment infuriate democrats leave senior republicans unsure come next senate republican leader mitch mcconnell tell reporters optimistic insert individual mandate repeal would helpful obviously view senate finance committee republicans well finance panel session two days abruptly adjourn tuesday democrats slam republicans handle tax proposals formal legislative language still unveil ron wyden committee top democrat demand time democrats discuss issue never tell healthcare go part fly literally nowhere last 20 minutes tie obamacare tax program introduce new risk republicans president donald trump together yet score major legislative win since trump take power january even control congress white house president struggle relations congress suggest tweet monday mandate repeal add tax plan follow similar nov. tweet final decision move make senate republicans weekly luncheon senator susan collins tell reporters afterward play key role july collapse years-long push fellow republicans gut obamacare former democratic president barack obama signature healthcare law formally know affordable care act personally think complicate tax reform put repeal individual mandate collins say ask would back tax bill mandate repeal add say go wait see senator john mccain also central party fail obamacare repeal early year non-committal put mandate repeal tax plan say want see whole bill decide senate house representatives develop separate tax-cut package plan reconcile eventually send trump desk enactment law outcome republicans eager achieve face u.s. voters next year least one major legislative achievement house speaker paul ryan ask repeal obamacare mandate house version tax proposal tell fox news tuesday want complicate tax reform make hard otherwise would be house already agree eliminate mandate healthcare bill pass may note add want see senate go first see get do discuss whether include end trump administration strongly support house version tax legislation say passage would important first step achieve comprehensive tax reform white house say statement tuesday u.s. financial market watch closely u.s. stock rally recent months partly hop business tax cut show little reaction tuesday developments individual mandate require americans health insurance pay penalty washington provision republicans long oppose government overreach mandate play critical role obamacare require young healthy people might otherwise go without coverage purchase insurance help offset cost cover sick old americans underscore devastate consequences obamacare mandate repeal nonpartisan congressional budget office say last week change would increase number americans without health insurance 13 million 2027. cbo add mandate repeal would raise average insurance policy premiums obamacare marketplaces 10 percent annually next decade repeal mandate would also low federal deficit 338 billion time period cbo say find several republican senators say influence move eliminate individual mandate would low number americans health insurance mean federal government would spend less subsidize coverage lower- middle-income people make money available pay tax cut neither senate house tax plan include repeal mandate plan would add 1.5 trillion 10 years federal deficit national debt exceed 20 trillion congressional republicans hope pass tax legislation end year move fast despite uncertainties hold razor-thin 52-48 majority senate democrats remain unite opposition republicans could afford lose two senators within rank still secure passage tax legislation democrats dismiss republican plan deficit-expanding giveaways corporations wealthy representative lloyd doggett senior member house tax committee say statement house tax bill way curry favor washington special interest award tax windfalls large multinational corporations fortunate sit way atop economic ladder senate republicans tie tax plan repeal key obamacare mandate