It's been a long 100 days

Tomorrow marks 100 days of President Donald Trump's second term in office. We're taking a look this week at what this new administration has meant for the U.S. and global economies. We start today by chatting with Zanny Minton Beddoes, editor-in-chief of The Economist Magazine. And later: Tariffs have been used before by countries around the world to attempt to revitalize domestic industrialization. What can we learn from revisiting that history?