The Iran war enters its fourth week with more U.S. troops being dispatched to the region.
At least two U.S. Marine units are on their way.
Their mission is as yet unclear.
I'm Scott Simon.
I'm Aisha Roscoe and this is Up First from NPR News.
The war in Iran has disrupted the world's oil supply, a crisis that's growing by the day.
Some 3,000 oil tankers, gas tankers and cargo ships are stranded
in the Persian Gulf, unwilling to cross the Strait of Hormuz.
And a dry winter in the American West points toward a smoky summer.
Without a good snowpack in the Rocky Mountains, river basins are low all the way to California.
So please stay with us.
We've got the news you need to start your weekend.
Alex Rosenthal has aphantasia, meaning he can't visualize things like...
Fraction of a microsecond.
And then it's gone.
And for some people, it's just total blank slate.
That's on the TED Radio Hour podcast.
Listen on the NPR app or wherever you get your podcasts.
First up today, the latest on the fighting in Iran.
There were heavy airstrikes overnight, even as President Trump says