Is the US about to get tougher on migration?

Christiane is in Washington, D.C., where the perennial issue remains one that much of the world grapples with: migration. President Joe Biden has resorted to tough measures to reduce the flow of people across America's southern border, amid reports that he is mulling a policy of detaining migrant families entering the country illegally. It would be a major reversal by the president, who initially stopped this Trump-era practice. That - plus rising challenges to national security from abroad, and a morphing threat to the homeland from within - falls squarely on the desk of Alejandro Mayorkas, the secretary of homeland security. Christiane sat down with him at the department's sprawling campus to discuss all this, and his own experience as the child of refugees. 

Also on today's show: Lithuanian Foreign Minister Gabrielius Landsbergis; Adrienne LaFrance, Executive Editor, The Atlantic 

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