Boeing’s first crewed Starliner flight called off at last minute

Boeing’s latest attempt to launch its Starliner spacecraft was scrubbed in the final minutes before liftoff on Saturday. It was not immediately clear why, but the spacecraft has never flown with astronauts on board, so the stakes are high. NASA has scheduled a backup launch for tomorrow. But as Jayme Doll reports, it’s just another setback in a long list of delays and disruptions.

• Boeing’s first astronaut flight Starliner called off at last minute