Last week, Department of Justice opened a criminal investigation into the <a href="https://www.theguardian.com/business/2026/jan/13/jerome-powell-fed-chair-trump" rel="nofollow">chair of the Federal Reserve</a> – and longtime foe of Donald Trump – Jerome Powell. In an extraordinary move, <a href="https://www.theguardian.com/business/2026/jan/13/central-banks-us-fed-powell-trump-bank-of-england-ecb" rel="nofollow">world central bank governors</a> and <a href="https://www.theguardian.com/business/2026/jan/14/trump-hits-back-at-jp-morgan-ceo-defence-of-federal-reserve-jamie-dimon" rel="nofollow">bank bosses in America</a> pushed back against the Trump administration. This week, Jonathan Freedland speaks to the economist <a href="https://kleinmanenergy.upenn.edu/people/heather-boushey/" rel="nofollow">Heather Boushey</a> about why a fight with Wall Street might be <a href="https://www.theguardian.com/business/2026/jan/13/trump-economy-cost-of-living" rel="nofollow">one the president regrets</a>