France’s top court struck down on Friday a law championed by President Emmanuel Macron that would have made it illegal for children to have social media accounts.The law, approved by lawmakers in July, was set to take effect at the start of the new school year in September, banning children under 15 from having social media. In a ruling this week, the Constitutional Council said aspects of the legislation’s provisions were too wide-ranging, marking a breach of privacy and freedom. The decision has already triggered a promise from Macron’s Elysee Palace that new legislation will be reworked, with the president expressing...