Commerce has questions to answer on data access and national security

A teenager in Oklahoma uploads a video of herself mimicking the latest dance craze to an app on her phone. Is that a national security risk? Should the government ban the app?

The Commerce Department this month is expected to shine a light on how the government grapples with such questions, and others, with the release of rules implementing executive orders labeling Chinese-owned apps TikTok and WeChat as national security threats, and an interim final rule implementing a May 2019...