How is America's industrial heartland faring two years into the Trump presidency? Fergus Nicoll visits the port of Duluth in the state of Minnesota and asks farmers, shippers and miners how the US-China trade spat has affected them.

Programme features interviews with Deborah DeLuca, executive director of the Duluth Seaway Port Authority; Kelsey Johnson, president of the Iron Mining Association of Minnesota; Randy Abernathy, owner of Industrial Weldors & Machinists Inc; and farmers Matt and Sara Weik, and Brad Hovel.

(Picture: Ship being loaded with iron ore at dock in Minnesota; Credit: PhilAugustavo/Getty Images)