Fergus Finlay: US democracy faces its most dangerous test yet under Donald Trump

America is sliding towards political violence, Trump's second presidency could ignite unrest with global repercussions

President Donald Trump speaks with reporters, from right, as Interior Secretary Doug Burgum and Army Secretary Dan Driscoll listen in the James Brady Press Briefing Room at the White House on Monday. Trump has destroyed one of the most basic American values of decency. Photo: AP/Mark Schiefelbein

Is it possible that what is going on in America right now will end in national violence? And if it does, how will that affect the rest of the world? 

How would a civil war play out in the world’s largest economy, the world’s most powerful nuclear power? What would be the consequences, not just for them, but for us too?