Two recently filed lawsuits illustrate continuing difficulties the administration faces in implementing the Affordable Care Act, particularly under the constraints imposed upon it recently by Congress. Specifically, the suits illustrate the legal difficulties for the administration created by Congress’ limiting of “risk corridor” payments—made to insurers with high claims costs—to amounts contributed to the risk corridor program by insurers with low costs. Last year, CMS announced that it would have only $362 million in contributions to pay out $2.87 billion in requested payments, and so would only pay out 12.6 cents on the dollar for payment claims.

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Obamacare is entering a new stage. The recent announcement by United Health Care that it will stop selling insurance to individuals and families through most health insurance exchanges marks the transition. In the next stage, federal and state policy makers must decide how to use broad regulatory powers they have under the Affordable Care Act to stabilize, expand, and diversify risk pools, improve local market competition, encourage insurers to compete on product quality rather than premium alone, and promote effective risk management. In addition, insurance companies must master rate setting, plan design, and network management and effectively manage the health risk of their enrollees in order to stay profitable, and consumers must learn how to choose and use the best plan for their circumstances.

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Two GOP lawmakers have introduced a bill that deviates from years of Republican health care orthodoxy by not attempting to repeal the Affordable Care Act.

Sen. Bill Cassidy (R-La.) and Rep. Pete Sessions (R-Texas) on Monday formally announced a bill that they say would cover more people than the Affordable Care Act does now. While the bill does not repeal the 2010 health care law, it would repeal both the individual and employer mandates and limits the “non-essential” products that plans would have to cover.

They aren’t being shy about how great they think their proposal is. They are calling it the “World’s Greatest Healthcare Plan.”

Although she promises to tinker with the Affordable Care Act (see below) Clinton is not proposing to fix any of its largest problems.

So what does Hillary Clinton propose to do about Obamacare? Spend more money. She proposes (1) to limit out of pocket costs to 5% of family income by offering a tax credit of up to $5,000 for spending above that amount, (2) to limit premium expenses to 8.5% of income, (3) to fix the family glitch, whereby dependents who are offered unaffordable coverage at work are barred from the exchange and (4) to spend more money to enroll people in Medicaid.

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Hillary Clinton’s “Medicare for More” plan certainly would cover more people — but it could also raise health-care costs for some current Obamacare customers if they aren’t careful.

Nearly 13 million Americans age 50 to 64 who lack insurance or buy private health plans would be eligible to buy into an expanded Medicare program that the Democratic presidential contender has proposed, according to an analysis released Thursday.

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The Committee for a Responsible Federal Budget (CRFB) says the proposals of Democratic presidential candidate Bernie Sanders would add $19 trillion to the debt — an increase from its previous estimate.

In an analysis published in April, the CRFB estimated that the Independent senator’s proposals would add $2 trillion to $15 trillion to the debt, depending on the cost of Sanders’s single-payer healthcare plan. Since then, two new independent analyses have found that the healthcare plan “would cost dramatically more than the campaign-provided estimates suggest,” the CRFB said Thursday in its updated analysis.

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It’s been six years since the passage of the Affordable Care Act and it’s still unpopular with the voters. Hardly a week goes by without the discovery of new problems and new victims.

Paul Ryan says he wants an alternative. Donald Trump does too. Republicans in the House are actually trying to come up with something. But if past Republican proposals are a guide, there is a danger they will propose something most people see as Obamacare lite. There is even a chance they could propose something that is more unpopular than Obamacare itself.

John C. Goodman lists eight ideas Republican health reformers should avoid if they want to be successful in the November elections.

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Obamacare has caused health insurance premiums to skyrocket. It has caused millions of Americans who liked their health plans to lose their health plans. It has caused doctor and hospital networks to narrow. Now the Wall Street Journal reports that the Obamacare exchanges in Alabama and Alaska will each have one—that’s right, one—insurer offering plans. We’re moving toward “single insurer” health care.

In short, Obamacare is wrecking the private health insurance market.

The Congressional Budget Office says that the Obamacare subsidies for private insurance will cost $43 billion this year alone. That’s an average of $5,375 per person for those who have been added to the private insurance rolls—or $21,500 per family of four. Meanwhile, the typical 36-year-old (or younger) who makes $36,000 a year (or more) gets $0 under Obamacare.

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For months during the Democratic presidential nominating contest, Hillary Clinton has resisted calls from Senator Bernie Sanders to back a single-payer health system, arguing that the fight for government-run health care was a wrenching legislative battle that had already been lost.

But as she tries to clinch the nomination, Mrs. Clinton is moving to the left on health care and this week took a significant step in her opponent’s direction, suggesting she would like to give people the option to buy into Medicare.

“I’m also in favor of what’s called the public option, so that people can buy into Medicare at a certain age,” Mrs. Clinton said on Monday at a campaign event in Virginia.

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Sen. Bernie Sanders has proposed paying for his policies that transform large sectors of the government and the economy mainly through increased taxes on wealthy Americans. A pair of new studies published Monday suggests Sanders would not come up with enough money using this approach, and that the poor and the middle class would have to pay more than Sanders has projected in order to fund his ideas.

The studies, published jointly by the nonpartisan Tax Policy Center and the Urban Institute in Washington, concludes that Sanders’s plans are short a total of more than $18 trillion over a decade. His programs would cost the federal government about $33 trillion over that period, almost all of which would go toward Sanders’s proposed system of national health insurance. Yet the Democratic presidential candidate has put forward just $15 trillion in new taxes, the authors concluded.