Social media giants to testify over spread of terrorist propaganda

The Senate Commerce Committee is holding a hearing next Wednesday morning, examining how social media platforms are fighting the dissemination of terrorism propaganda.

• Lawmakers will grill staffers from Twitter, YouTube, and Facebook.

The bigger picture, per Axios' David McCabe: The big web platforms aren’t out of the woods yet as Washington ramps up pressure over a host of issues, including the way extremist content thrives online.