Supreme Court Struggles With Social Media’s Role in Terrorism

The US Supreme Court struggled to determine when social media companies can be held responsible for aiding terrorism as the justices heard the second of two cases that are poised to shape the legal rules governing harmful online material.

In a clash stemming from a 2017 shooting in an Istanbul nightclub, the justices spent more than two hours probing the boundaries of a federal anti-terrorism law – and trying to decide whether social media platforms are akin to banks and restaurants that serve terrorists and people who give guns to known criminals.

The justices didn’t give a clear indication as ...