President Trump has threatened to take away the security clearances of former high-ranking intelligence officials who’ve criticized his policies. Intended as punishment for the likes of former FBI director James Comey, former director of national intelligence James Clapper and former CIA and NSA head Michael Hayden, the idea is petty even by this president’s standards. Fortunately, it’s also largely pointless. ...

The plunge of Facebook and Twitter shares in the last two days shows that both companies are hostages to investors’ unrealistic perceptions of how quickly they should grow even as they purge bots and trolls. Moving to eliminate all fake and malicious accounts, as well as making new ones very hard to register, would be scary given these inflated expectations. ...

Singapore’s banks should watch the fallout from the island’s healthcare-data breach. This could get ugly for them. The National Electronic Health Record project is taking a pause after hackers stole data on 1.5 million patients including Prime Minister Lee Hsien Loong, who was “specifically and repeatedly” targeted. Immediate repercussions for banks have already become obvious, with the Monetary Authority of ...