CEOs of Facebook, Twitter, Google face new grilling by Congress

As malicious conspiracy theories continue to spread, lawmakers are pounding the social media companies over their market dominance, harvesting of user data and practices that some believe actually encourage the spread of engaging but potentially harmful misinformation.

DOJ to file antitrust lawsuit against Google

The Justice Department is expected to file a lawsuit Tuesday alleging that Google has been abusing its online dominance in online search to stifle competition and harm consumers.