Live from NPR News in Washington, I'm Janine Herbst.

Zoran Mamdani has been sworn in as the new mayor of New York City.

At his inauguration on the steps of City Hall today, he told the city of some eight and a half million people that he stands alongside them.

Regardless of whether we agree, I will protect you. Celebrate with you.

Morn alongside you.

And never, not for a second, hide from you.

And he says he's not lowering expectations.

In writing this address, I have been told that this is the occasion to reset expectations.

That I should use this opportunity to encourage the people of New York to ask for little and expect even less. I will do no such thing.

He was sworn in twice, once officially, in a private ceremony, and an underground, unused

subway station entrance to City Hall earlier today, then again publicly

on the steps of City Hall.

Mamdani is the first Muslim mayor and the first mayor of South Asian descent.

Millions of Americans who bought their health insurance under the Affordable Care Act are bracing

for much higher premiums.

ACA subsidies expired last night. Sarah Bowden has more.

Preliminary data from December show that enrollment is down a bit compared to last December,

but overall, it is higher than expected. That could change over the course of this year.

Cynthia Cox is a researcher at the Health Policy Think Tank KFF.

She says it's kind of like the difference between putting groceries in your shopping cart and actually purchasing those groceries.

So you don't actually own those groceries until you paid for them, the same thing with health insurance.

You can sign up, you can pick a plan,

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