Monarchs from east of the Rocky Mountains in the United States and Canada overwinter in the mountains west of Mexico City.

Beijing, Mexico City and Ottawa reply in kind to Washington, Minnesota’s agricultural exports will likely become more expensive and thus less competitive on the world market," John Rash writes. (Glen

Mexico's President Claudia Sheinbaum gestures during an event to give details on the country's response to U.S. President Donald Trump's 25% tariffs on imports from Mexico, including retaliatory tariffs to U.S., at Zocalo Square in downtown Mexico City, Mexico March 9, 2025. REUTERS/Toya Sarno Jordan

Claudia Sheinbaum has twice persuaded Trump to postpone tariffs. The low-key scientist’s success is helping her step out of her predecessor’s shadow.

There is no motive or reason, nor justification that supports this decision that will affect our people and our nations,” Mexico President Claudia Sheinbaum said Tuesday.

The taxes proposed by Trump have caused a gaping wound in the decades-old North American trade partnership, and Canada has felt compelled to quickly take aggressive countermeasures.