Top aides to Charles Koch, the billionaire energy magnate, said the Senate bill does not go far enough to dismantle former President Barack Obama's signature healthcare law, also known as Obamacare.
President Donald Trump can only afford to lose two GOP votes.
Without public buy-in or bipartisan support, any measure Republicans pass is likely to be temporary.
The Republican senators working on the Obamacare repeal-and-replace bill have received hundreds of thousands in campaign contributions from the two big lobbies.
McConnell wants to force a health care vote by July 4 and may bring the bill to the floor regardless of whether he has the votes to pass it.
The 13 senators are viewed as key players to the Senate’s Obamacare repeal.
There are worries that Republicans are leaning more toward the middle, angering senators who prefer the House's more conservative version.
Waivers added to House Republicans' bill would once again make insurance unaffordable for many with pre-existing conditions, posing a political problem for the GOP.
Representative Rod Blum didn't like a television reporter's questions. So he left the interview.
One senator thinks the health care fight could drag on for a long while.
The former U.S. president said the sick and infirm need champions and praised the Democrats who first passed Obamacare.
Kentucky is poised for a new distinction: to be the first state to save money by reducing the number of people on Medicaid, the government health insurance program for the poor and disabled and a central tenet of Obamacare.
Moderate Republicans fear a voter backlash if states are allowed to opt out of Obamacare.
The new White House's legislative struggles are a major warning sign as Trump tries to steady his presidency.
The amendment would allow lawmakers and their staff to sidestep insurance that discriminates against their pre-existing conditions
The president could cost Americans $2.3 billion in health care payments in 2018, and $31 billion over the next 10 years.
Most Americans want Donald Trump to figure out how to make Obamacare work, a new poll shows.
The GOP’s latest plan to kill Obamacare could hurt the fight against opioid addiction just as it shows signs of progress.
Trump wants the money included in spending legislation that Congress must pass by Friday to keep the federal government operating through Sept. 30.
The new effort doesn’t address the problems that killed the earlier version.
As the GOP pursues tax reform and spending cuts, divisions within the party threaten its ambitious agenda—and Ryan’s power.
GOP leaders had planned a vote on the measure after Trump cut off negotiations with Republicans who had balked at the plan.