The U.S. Chemical Safety Hazard and Investigation Board, or CSB, investigates root causes of serious chemical accidents and makes recommendations for preventing similar events. The Trump administration wants to shut the small federal agency down, saying it duplicates the role of other agencies like the EPA and OSHA. Ali Rogin speaks with David Michaels, a former OSHA director, for more. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy