Janine Herbst

As Supreme Leader, the 56-year-old is commander-in-chief of the military, the head of state, and the country's politics and religious affairs.

He's only the third Ayatollah the country has had.

That job was created after the Iranian revolution in 1979.

Ayatollah Khamenei ruled for more than 36 years and was killed by Israel at the start of the war in Iran.

Meanwhile, that war is widening.

Thick black plumes of smoke continue to cover skies over Tehran after Israel struck oil storage facilities there, setting them ablaze.

Israel has primarily focused on what it says have been military targets.

NPR's Kerry Kahn has more.

President Trump says he won't sign any bills until Congress passes the Save America Act, which requires proof of citizenship for voter registration.

NPR's Luke Garrett has more.

U.S.

futures contracts sharply lower.

Dow futures down 1.8 percent.

NASDAQ and S&P 500 futures both down 1.5 percent.

Crude oil futures are over $107 a barrel.

You're listening to NPR News.

The federal government released new dietary guidelines in January, turning the food pyramid on its head.

As NPR's Caden Mills reports, those guidelines are also used to set school nutrition standards, which means those standards may be changing soon.

A prehistoric human skeleton has been found deep inside a flooded cave system on Mexico's Caribbean coast.

Cave diving archaeologist Octavio Del Rio tells the AP the team recovered it late last year and experts are studying it now.