NAFTA

The tariffs have been threatened for months — and will likely lead to retaliatory measures. Commerce Secretary Wilbur Ross said the tariffs are based on national security concerns.

House Speaker Paul Ryan has said the effort to overhaul the treaty needs to be completed this week, but fundamental differences remain among the U.S., Canada and Mexico.

Gerónimo Gutiérrez tells NPR that the Mexican government has been sending migrants home in some cases, and offering humanitarian relief in others. "The number has been drastically reduced," he says.

While speaking to Republican donors, Trump said he told Canadian Prime Minister Justin Trudeau that the U.S. has a trade deficit with Canada, while admitting he really "had no idea."

As the administration seeks to redo the North American Free Trade Agreement, the industry is watching the talks closely. Automakers say changes could drive up costs, making them less competitive.

Let's Move On.Vicente Fox, the former president of Mexico, has harsh words for President Trump — some of them we can't say on the radio. NPR's Lulu Garcia-Navarro talks with Fox about his new book,

Global trade has cost the region plenty of manufacturing jobs over the years, but today a lot of companies have learned how to take advantage of the trade agreement.

For months, the United States, Canada and Mexico have been trying to rewrite terms of the North American Free Trade Agreement. But White House demands have led to frustrations that may threaten NAFTA.

Farmers say exports are a crucial part of their business and they're warily watching as the Trump administration pushes to remake the long-standing trade agreement with Canada and Mexico.

The Trump administration begins renegotiating NAFTA this month. Despite the rhetoric of the campaign and talk of tearing it up, the administration's actual plans appear less dramatic than expected.

From Florida tomato growers to Montana cattle ranchers, some bruised by NAFTA think it has favored agribusiness over small-scale farms, lowered environmental standards and made it harder to compete.

The U.S. trade representative formally notified congressional leaders in a letter Thursday that the president intends to begin negotiations with Canada and Mexico "as soon as practicable."