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.

Yanez trial: Day 2

Diamond Reynolds, Philando Castile's girlfriend, returned to the witness stand again Tuesday in the trial of St. Anthony Police Officer Jeronimo Yanez to share her account of the fatal shooting.