WASHINGTON — President Donald Trump announced Monday that tariffs would be placed on Canada and Mexico, and additional ones on China, beginning Tuesday, a move that could affect the cost of goods anywhere from tequila to cars to iPhones.

While at the White House, and alongside Commerce Secretary Howard Lutnick, the president said he would levy 25% tariffs on goods from Canada and Mexico and additional 10% tariffs on China.

“The tariffs, they’re all set.…

Ariana covers the nation's capital for States Newsroom, the nation’s largest state-focused nonprofit news organization. Her areas of coverage include politics and policy, lobbying, elections and campaign...