03/28/17: Should tech companies provide government access to terror suspects' text messages?

Summary: After last week's terrorist attack on Parliament, we revisit the topic of government access to encrypted apps. How does accessing end-to-end encrypted messaging services like Whatsapp resemble steaming open envelopes or tapping phones? Ben Johnson discusses how U.K. agencies are navigating this territory with professor and author Thomas Rid. Then, why Facebook Marketplace isn’t taking off as Craigslist endures.