Transcript
DAVID GREENE, HOST:
This is MORNING EDITION, from NPR News. With Linda Wertheimer, I'm David Greene.
STEVE INSKEEP, HOST:
And I'm Steve Inskeep.
It was the middle of a sunny day when our road trip along the U.S.-Mexico border led us to one of the driest regions we'd seen.
(SOUNDBITE OF A VEHICLE)
INSKEEP: For a moment there, the landscape made our producer, Selena Simmons-Duffin, think of "Lawrence of Arabia." We had sand dunes over sand dunes over sand dunes.