If you want to keep up with the future of Obamacare, you'd be better served following the news from Topeka, Kansas, than the news out of Washington.

This is not a joke! My favorite news publications right now are the Kansas City Star and the Lawrence Journal-World. Both are covering the twists and turns of the state's Medicaid expansion battle. That, and not the Washington debate over Obamacare repeal, is the key health policy fight to watch right now.

Republican efforts on Obamacare repeal are stalled. There is no plan that can get enough support to move through Congress. Chris Jacobs, writing at the Federalist, has an especially good synopsis of why this problem seems intractable. He writes that there are "fundamental disagreements within the Republican party and the conservative movement about Obamacare." Namely:

On the one hand, the conservative wing of the party has focused on repealing Obamacare and lowering health costs — namely, the premiums that have risen substantially under the law. By contrast, moderates and centrists remain focused on its replacement and ensuring that those who benefited from the law continue to have coverage under the new regime.

In the AHCA, Republicans tried to split the difference — and pleased no one. There is a lot of talk about "wanting" to move forward on repeal and replace. There is not a path to get there.

Meanwhile, the Medicaid efforts are more active than ever before. Nineteen states still aren't participating in Obamacare's Medicaid expansion. Now that Obamacare appears to be here to stay, efforts are underway in several states — either in the legislature, among governors, or spearheaded by community groups — to join in and bring coverage to their low-income residents.

Virginia Gov. Terry McAuliffe explained the thinking behind efforts like this: "Year after year, they [Virginia Republicans] have put out false excuses for not expanding. The latest one that I always heard was that the law would be repealed. Now we have heard from the president of the United States himself that it’s not going to be repealed."

Medicaid is a hugely important way Obamacare expands insurance. The expansion of that public program is responsible for most of the coverage gains under the Affordable Care Act.

In 2015, CBO estimated that an average of 14 million people annually would gain coverage through that provision over the next decade. But in early 2016, the agency revised its numbers significantly upward, estimating that 18 million would enroll in coverage each year.

There is actual, real policymaking happening in the states! Kansas Gov. Sam Brownback now has a Medicaid expansion bill, approved Tuesday by the state legislature, sitting on his desk. He has 10 days to decide whether to veto or sign it — and the expectation is he will veto. The big question is whether a few more Kansas legislators will sign onto the expansion bill, giving it a veto-proof majority.

The Kansas City Star published an editorial this morning titled, "Please, Governor Brownback — sign the Medicaid expansion bill."

Meanwhile, Maine is preparing for a ballot initiative in November on Medicaid expansion. It looks like Georgia Gov. Nathan Deal, a Republican, is signaling an openness to expansion, although his statements admittedly aren't very clear. A spokesperson told Vox, "the governor is exploring a variety of solutions that bring Georgians greater flexibility and access to care. No specific proposals have been decided upon, but he will continue working with members of the General Assembly to evaluate all options.”

Vox's Dylan Matthews and Jacob Gardenswartz, doing hero's work, reached out to elected officials in 18 states that have not expanded Medicaid to get a sense of where the debate currently stands. I strongly suggest reading it! Despite all the fuss over Congress, I'm pretty convinced the most important health policy stories will happen in the states in 2018 — both in the Obamacare marketplaces the states run and how they manage this very big Medicaid decision.

Chart of the Day

Obamacare's cost-sharing subsidies significantly reduce how much poor Americans pay for coverage. They're also at risk. Low-income Obamacare enrollees get subsidies to reduce their deductibles and co-payments, as you can see in the chart above from the Commonwealth Fund. Someone who earns $17,000 gets financial help from the government to bring her deductible down from $3,500 to $125.

But that might all be about to change. As Nick Bagley writes, there is an important lawsuit pending over these subsidies. And it's up to the Trump administration whether or not to defend them. Read Nick's in-depth explainer on this lawsuit, which he argues could "blow up" the Obamacare marketplaces.

Kliff's Notes

With research help from Caitlin Davis.