President Trump and British Prime Minister Keir Starmer announced a new trade agreement. Other countries, including China, remain open to negotiating with the U.S., but some of the tariffs are having real impacts on American businesses and their supply chains. William Brangham discussed more with Ryan Petersen, the founder and CEO of Flexport, a supply chain management firm. PBS News is supported by - https://www.pbs.org/newshour/about/funders