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.

Mexican President Claudia Sheinbaum thanked her U.S. counterpart Donald Trump for an "excellent and respectful" call on Thursday, promising that her government would work on security and migration as Washington temporarily eased tariffs.

Mexican and Canadian officials are increasingly frustrated by tariff negotiations with the Trump administration, with a lack of clarity over exactly what the U.S. wants making any resolution seem impossible,