NOEL KING, HOST:
The Trump administration has announced a major new step in its efforts to turn back asylum-seekers who are crossing the U.S.-Mexico border. A new rule announced this morning requires migrants to apply for asylum in the first country they pass through on their way into the U.S.
NPR's Joel Rose covers immigration. He's with me in the studio now. Hi, Joel.
JOEL ROSE, BYLINE: Hey, Noel.