Thousands of migrants are heading north through Mexico toward the U.S. border. The number of Border Patrol encounters with migrants and asylum seekers at the U.S.-Mexico border continues to be high. And for two years in a row, the number of illegal crossings has exceeded 2 million. Meanwhile, border security remains a hot political issue as Republicans in Congress and on the campaign trail accuse President Biden of having an "open border policy." Vanda Felbab-Brown, a senior fellow in Foreign Policy at Brookings offers insight about what's happening on the border.

Show notes and transcript.

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