President Trump is flexing his muscle just a week into his presidency, using tariffs and sanctions as a leverage tool to enact his agenda, even when it involves U.S. allies. Trump caused a stir

In just a week, the president has floated financial reprisals for Mexico, Canada, Russia, Denmark and Colombia. The hostilities could backfire.

The president is increasingly threatening other countries with tariffs for issues that have little to do with trade.

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The president’s confrontational foreign policy has created opportunity for his allies on K Street who are willing to take on clients he has targeted.

As a leftwing former guerrilla, Colombia ’s President Gustavo Petro was never going to be a Trump fan. But he incurred the US president’s particular wrath after publicly vowing to turn back American military flights deporting migrants, complaining that his compatriots were being treated like criminals.

Former New Hampshire Gov. Chris Sununu (R) said on Monday he thinks, at some point, at least one country will call President Trump’s bluff on his tariff threat, which could have consequences

Welcome to the Brussels Edition, Bloomberg’s daily briefing on what matters most in the heart of the European Union.

At this pace, the newly inaugurated Republican president should be able to alienate just about every other country on the planet by, say, mid-summer.

In tonight’s show, Harvey explains why Trump’s arm wrestle with Colombian President Gustavo Petro could have been bad news for cocaine users.

At this pace, the newly inaugurated Republican president should be able to alienate just about every other country on the planet by, say, mid-summer.