The administration and Republican-led states want Obamacare to be struck down as unconstitutional, which would have wide-ranging implications for America's health care system.
"I was also astonished that the average costs were so high," Dr. Michelle H. Moniz of the University of Michigan told Newsweek.
"I say that having lost a parent to brain cancer after 12 years of fighting, and getting to see just how terrible our Healthcare system is, and I still think he deserves it or worse," Justin Lecea wrote in a since-deleted tweet.
Conway said the 77-year-old billionaire's late entrance into the 2020 race "means that the Democratic field is underwhelming."
Massachusetts Senator Ed Markey said the decision was "unjust and wrong" and called on Congress to pass the Equality Act.
The Democratic presidential candidate said that he trusts "the American people to make that decision for themselves."
"This is what 2020 is about. If we can get the House back and keep our majority in the Senate, and President Trump wins re-election, I can promise you not only are we going to repeal Obamacare, we're going to do it in a smart way..."
"[Biden's] defending Obamacare, and being ripped by nine different people for doing it," Brian Kilmeade pointed out.
A poll released by Fox News last October showed that the majority of Americans approved of the Affordable Care Act, despite Republican efforts to repeal the legislation.
While Obamacare helped reduce the number of uninsured, it masks the growing crisis of underinsurance—insurance so expensive or skimpy as to be virtually useless in the event of an actual illness.
Obamacare should be rendered unconstitutional because Congress ended the tax penalty for not having health insurance in 2017, the Trump administration said in its brief to an appeals court.
When Fox News host Neil Cavuto repeatedly asked the head of the Republican National Committee if Republicans had a health care plan, the chairman responded with a rant against Democrats.
The confrontation with Republican Senator Chuck Grassley went viral this week after an Iowa woman demanded he defend his past votes to repeal the Affordable Care Act.
"We had it done except for one vote," Trump said, referring to John McCain's vote against an Obamacare repeal.
The president began threatening to close the southern border and pushing for Republicans to try to repeal and replace Obamacare, before backtracking.
The Senate Majority Leader said he told Trump the chamber "will not be doing a comprehensive" health care plan, despite legal challenges to the Affordable Care Act that could render millions of Americans without insurance.
Despite touting the GOP as "the party of health care," the White House press secretary is the latest Trump administration official unable to outline an alternative to the Affordable Care Act.
The law has provided coverage to more than 20 million previously uninsured people
As controversial new rules to expand the grounds on which companies can refuse to cover their employees' contraception hit a judicial barrier, state attorneys general speak to Newsweek.
Cost and access were rated the greatest problems in the U.S. healthcare system.
Democratic governors and other state leaders are rolling out massive health care initiatives, boosting public options and touting expansions to former President Barack Obama's 2010 ACA overhaul moving into the new year.
High-deductible health insurance offered through the Affordable Care Act doesn't cover much without a lot of out-of-pocket expenses first.
On average, premiums will increase as much as 16 percent in 2019 after the Trump administration's repeal of the individual mandate.
They also pointed to Congressional Republicans' past efforts to repeal and defund the law, something McCain famously voted against in July 2017 with a thumbs down motion just days after undergoing surgery.
Attorney Joel McElvain submitted his resignation after Attorney General Jeff Sessions told Congress the Department of Justice wouldn't defend the Affordable Care Act.
"One by one, we are keeping the promises I made to the American people during my campaign for president," Trump said when he withdrew from the Paris Climate Accord.