US president Donald Trump's response to protests against immigration raids in Los Angeles - to send in troops - is in keeping with a broader theme of his second presidency so far - extending executive power and challenging institutional norms. But how far is Trump willing to go? TCD's Daniel Geary joins Hugh to talk about the events in LA and the pressure Trump 2.0 is putting on the American system.

Daniel Geary is Mark Pigott Professor of U.S. History at Trinity College Dublin.

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