Tonight on The Last Word: A new NBC News report details horrible conditions for migrant children inside the Yuma, Arizona border facility. A.G. Barr will reportedly no longer recuse himself from the new case against Jeffrey Epstein.  The Trump Justice Department tries to end the Affordable Care Act in federal court. And Trump lashes out after the British diplomatic notes about Trump were leaked to a tabloid.  Julia Ainsley, Rep. Judy Chu, Rep. Nanette Barragan, Mimi Rocah, Zerlina Maxwell, Xavier Becerra and John Brennan all join Lawrence O’Donnell.

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