washington u.s. republican senators lean towards plan delay effective date obamacare repeal three years senior republican say wednesday conservatives house representatives think long wait end affordable care act president barack obama signature health insurance program know senate consensus three years senator orrin hatch chairman chamber finance committee tell reporters say could take long work replacement obamacare take time things around here republicans house senate say want repeal obamacare early 2017 first order business senate january senate majority leader mitch mcconnell republican say tuesday donald trump election u.s. president last month mean republicans control white house senate house representatives 2017. new congress go work jan. trump swear jan. 20. republicans agree quickly obamacare repeal go effect delay would give time work replacement instead throw millions americans health insurance substitute house conservatives favor phase obamacare get replacement within two years three years would lapse next congressional election attendant uncertainty majority think wise leave long-term plan like future congress necessarily control say ben williamson spokesman representative mark meadows incoming leader freedom caucus group 40 house conservatives potential members freedom caucus might vote repeal replacement go beyond two years williamson say affordable care act provide 25 million previously uninsured americans health coverage republicans repeatedly try dismantle law call government overreach another senior senator say republicans worry whether raise tax three years pay obamacare replacement could example involve tax credit subsidize health insurance republicans could face three years vote tax increase ... exactly place republicans relish say senator bob corker chairman senate foreign relations committee u.s. republicans quibble effective date obamacare repeal