US tech giants face Congress grilling
Facebook, Apple, Google and Amazon have appeared before Washington lawmakers to defend their firms against claims they abuse their power to quash competitors. Also: the chief organiser of the Tokyo Olympics hopes they will take place next year - but can't rule out another delay, and an enduring mystery from one of Britain's most famous archaeological sites, Stonehenge, appears to have been solved.
Author: BBC World Service
Published on Jul 29, 2020