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Trump says walls work. It’s much more complicated
By Gretchen Frazee & Joshua Barajas
'He's a gut politician': Trump's go-to negotiating tactics aren't working in shutdown standoff
By David Nakamura & Seung Min Kim
Fact check: Mexico will 'indirectly' pay for a border wall through the new trade deal
By Adam Behsudi
All coverage
For Trump, Storming Out of a Meeting Is a Signature Ploy
By Shannon Pettypiece & Margaret Talev
No way out: Trump walks out, Dems remain firm
By Stephen Collinson
President Trump visits the border: Live updates
By Veronica Rocha, Meg Wagner & Amanda Wills
The history of U.S. border wall arrests
By Laris Karklis & Brittany Mayes