Marco Rubio heads Saturday to Panama on his debut trip abroad as US secretary of state as he looks for how to follow up on President Donald Trump’s extraordinary threat to seize the Panama Canal.
Rubio’s travel comes the same day that Trump’s promised tariffs on the three largest US trading partners — Canada, Mexico and China — are set to come into effect, another step showing a far more aggressive US foreign policy.
Rubio will travel later to four other small Latin American countries for an agenda focused on migration, a highly unusual first trip for the top US diplomat, whose predecessors were more likely to start the job with language of cooperation with major allies.
Trump has refused to rule out military force to seize the Panama Canal, which the United States handed over at the end of 1999, saying that China has exerted too much control through …