Hello and welcome to Ammanpur. Here's what's coming up.

A mounting humanitarian crisis at America's southern border.

We hear from migrants who made the harrowing

journey and we ask what the likely end of a Trump-era immigration policy means for

communities. Then I do think that there are a bunch of Republicans in my body who want to show the democracy can still work because they're really worried about that potential for insurrection.

U.S. Senator Chris Murphy tells Walter Iskson whether his plan to reform election laws can prevent

a repeat of January 6th.

Plus, I don't want our history to be taken the same way our people were taken.

The search for America's last known slave ship exposes a 19th century crime.

What it means for its descendants today, I speak to one of them, Emmett Lewis, and the director,

Margaret Brown, about her documentary descendant. Welcome to the program. I'm Sarah Sidner in New York sitting in for Christiane

Ammanpur. No end in sight for the crisis unraveling at America's southern

border as dangerously cold temperatures set in there.

Thousands of migrants are gathered at the border, some eagerly awaiting the end of a Trump-era border restriction

called Title 42.

That policy barred asylum seekers from entering the United States on public health

grounds and was due to expire yesterday until a last minute intervention by the US Supreme Court.

On the ground, beyond the fences and Wall of Steel,

humanitarian workers describe scenes of intolerable suffering,

with families living on the streets and

sidewalks and children sick and hungry. This just three days away from

Christmas as frigid temperatures arrive threatening to increase the suffering.

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