The new Republican health care bill would have had the immediate effect of removing 20 million low income Americans from health care.
The conservative Club for Growth is targeting powerful committee chairs and other top Republicans over the GOP's struggling health care overhaul effort.
After losing the battle for healthcare reform, what lies ahead for GOP leaders and President Trump?
In a major setback for the GOP, Ryan withdrew the bill after Trump and leadership failed to convince enough House Republicans to back the legislation. "It lowers premiums by giving IL the freedom to end Obamacare's costly and ridiculous rules". "In order to do that, there are certain Obamacare regulations that have to be repealed".
The proposed second Republican attempt at a new health care bill would include all of the above but also include exclusions for pre-existing medical conditions, pregnancy, maternity, newborn and several other essential health care coverages.
"If we attempt to muscle this thing through on a partisan basis, I feel we'll have a similar result", Dent said, referencing Obamacare.
The Republican bill remains deeply unpopular.
Congress is in recess both this week and next week, but make no mistake: Members are still hard at work drafting a replacement bill. He also said lawmakers plan to vote as soon as possible, "even perhaps before we return back to D.C.in 13 days".
"We clearly are getting closer, more votes are moving in our direction, and these ideas are very helpful as we are getting closer", White House press secretary Sean Spicer said during a press briefing Tuesday.