 In overturning Chevron, Chief Justice John Roberts says courts should no longer defer to a federal agency's reading of an ambiguous statute. Conservatives have sought this outcome for years, and liberals now worry the ruling could affect thousands of cases in which federal regulators prevailed. The major case of the term, dealing with former President Trump's criminal immunity, will be decided on Monday. NASA says the astronauts who took the Boeing Starliner to the International Space Station are not stuck there.