(December 13, 2017, 12:12 PM EST) -- SAN FRANCISCO — Two plaintiffs alleging terror-aiding claims against Twitter Inc., Google Inc. and Facebook Inc. failed to establish proximate cause between the actions of a mass shooter and the use of the defendants’ social media platforms, a California federal judge ruled Dec. 4, also deeming the claims barred by the Communications Decency Act (CDA) (Demetrick Pennie, et al. v. Twitter Inc., et al., No. 3:17-cv-00230, N.D. Calif., 2017 U.S. Dist. LEXIS 199250)....