But Democrats won’t give him the more than $5bn he wants to build it.
The stalemate has led to the second-longest partial US government shutdown in history.
We ask, is there a crisis at the US-Mexico border?
Presenter: Folly Bah Thibault
Sahar Aziz – founding director of the Center for Security, Race and Rights, professor of law at Rutgers University
David Ward – director of the National Association of Former US Border Patrol Agents
Lincoln Mitchell – political analyst and Professor at Columbia University
Source: Al Jazeera News