Senate nominee Abdul El-Sayed and other Michigan Democrats talk to USA TODAY about the trade war with Canada as a campaign issue.

Senator Dan Sullivan of Alaska has shown quiet support for President Trump’s tariffs. His brother, the head of their family business, has described the economic volatility as an enormous challenge.

Tariffs do generate federal revenue. But that revenue is nowhere near large enough by itself to close the federal deficit, and some of the economic cost of tariffs can ultimately be borne by U.S. businesses and consumers through

A 50 percent U.S. tariff on Canadian steel is crippling a major Ontario mill, driving mass layoffs and rupturing a century of cross-border life with Michigan.

Here's how much Louisiana has paid in tariffs, and the equivalent cost that households have paid, according to recent study.

For e-commerce merchants, the Global Trade Navigator is designed to provide greater certainty around the final cost of an international order before it reaches the customer.