Sacha Pfeiffer visits Port Milwaukee to see how President Trump's tariffs have affected the flow of goods and impacted the regional economy.

Transcript

SACHA PFEIFFER, HOST:

As we heard from those early voters in Texas and from coverage of the protests in France, the economy and affordability are surging concerns globally. It's also a concern locally in Milwaukee, where I'm hosting this program tonight. If you look at a map, you realize the city is located on a massive superhighway of water. Milwaukee is on Lake Michigan, part of the Great Lakes region, and that region is its own economy. Cargo from around the world is shipped across the Great Lakes, and all that maritime trade contributes to a regional economy worth about $9 trillion.

Now look at that map again. Four of the five great lakes are shared between the United States and Canada. Those two countries are now in an economic battle due to President Trump's tariffs, and that fight is harming port cities like Milwaukee.…