Ethiopian Airlines and China's aviation authority grounded its Boeing 737 Max 8 planes after Sunday's crash that killed 157 people. Regulators pointed to last year's Lion Air crash and said they have zero tolerance for safety hazards. Kris Van Cleave reports.

More videos

CNET 20 Jun 2019 17:55 CEST

Is 5G safe? (The 3:59, Ep. 575)