party between conservatives and moderates. >> the central focus needs to be on lowering premiums. the current draft doesn't do nearly enough to fix that problem. >> i have so many fundamental problems with the bill that it's difficult for me to see how any tinkering is going to be satisfy my fundamental and deep concerns. >> multiple senators voicing concern over this attack ad commissioned by a pro trump super pack against vulnerable republican senator dean heller because he's against the senate bill. >> if you're opposed to this bill, we are opposed to you. >> reporter: sources tell cnn heller raised the issue with the president himself after mcconnell personally reached out to white house chief of staff reince priebus calling the ad a stupid move that set the cause back significantly. >> i was amazed and appalled to learn that any republican group