What the polling says, who’s up, who’s down — and when it might end.

The threat of rising Obamacare premiums has been Democrats’ main focus in the public debate, but the president’s defiance of laws, norms and congressional constraints has helped hold them together in opposition.

© Doug Mills/The New York Times

As the federal closure slides into a second week, Republicans are working to peel off five more Democratic senators to join them in voting to reopen the government.

© Eric Lee for The New York Times

Even President Trump has conceded that he and his party could face political pain from rising premiums, stiffening Democrats’ spines as they demand a subsidy extension.

© Tierney L. Cross/The New York Times

Republicans’ exploitation of the government’s closure is the tell that they prefer it this way.