(September 14, 2016, 11:31 AM EDT) -- OAKLAND, Calif. — In a Sept. 2 filing in California federal court, Twitter Inc., Facebook Inc. and Google Inc. jointly moved to dismiss a lawsuit alleging that they violated federal law by knowingly allowing terrorist organizations such as the Islamic State group (IS or ISIS) to use their online platforms, arguing that the claims brought by a terror victim’s father are precluded by the Communications Decency Act (CDA) (Reynaldo Gonzalez v. Twitter Inc., et al., No. 4:16-cv-03282, N.D. Calif.)....