United States President Donald Trump has shown he means business when it comes to threatening a splurge of tariffs around the globe. Mexico and Canada agreed last-minute deals to temporarily avert tariffs, whereas China was not spared. Will the president's combative approach pay off?   

Host Anne McElvoy talks to Larry Summers, former U.S. Treasury secretary under President Bill Clinton and economics professor at Harvard University. Summers is an outspoken critic of the Trump administration’s use of tariffs and offers candid advice to the European Union and the United Kingdom on how to respond to the threat of them.

They also discuss how American universities are dealing with the Trump administration's efforts to remove diversity and inclusion programs and whether campuses could face fresh protests this spring.

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