Congress Remains Stuck on Obamacare Credits as Enrollment Closes

It’s the last day to sign up for Obamacare health insurance plans and lawmakers remain at loggerheads over whether to revive federal subsidies and reverse a dramatic surge in premiums for more than 20 million Americans.

The subsidy expiration has become a significant issue in this year’s midterm elections, which are focused squarely on voter concerns about the cost of living. With premiums expected to more than double on average, failure to reach a bipartisan accord puts vulnerable Republicans in a particularly difficult bind.

Without a deal, experts estimate that nearly 4 million people will lose insurance over the next ...