Saturday on PBS News Weekend, how some cities are testing no-strings-attached payment programs as a way to help lower-income residents get a leg up. Then, the promise held by one transatlantic fossil fuel-free flight as airlines seek to lower their emissions. Plus, a new series looks at why people in some parts of the world are living longer than average. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders