murkowski , paul and collins also under scrutiny mccain was one of three most - watched members on the fence and considered a key
mccain 's " no " vote means it is likely republicans wo n't be able to repeal and replace obamacare before september 30 , as sen. rand paul of kentucky said he would not back graham - cassidy and sen. susan collins of maine has said she is leaning " no " on the proposal .
 
i can not in good conscience vote for the graham - cassidy proposal , " the arizona republican said in a statement . "
, aims to give more control over health care to states can design their own programs .
lindsey graham lindsey olin grahamon the money : senators propose ' crushing ' russia sanctions | trump calls for food stamp work requirements in farm bill , while 50 percent disapprove .
republicans need at least 50 votes to pass the measure under the process of reconciliation .
the low approval comes as the senate is heading toward a possible vote on the legislation next week , and backers are still trying to rally support .
it 's also unclear if senators on the fence would support a procedural motion on the bill even if they decide they are against graham - cassidy in the end .