Rep. Eric Swalwell, D-Calif., right, with Reps. Joaquin Castro, D-Texas, center, and Denny Heck, D-Wash., questions Facebook's General Counsel Colin Stretch, Twitter's Acting General Counsel Sean Edgett, and Google's Senior Vice President and General Counsel Kent Walker, about the Russian ads during a House Intelligence Committee task force hearing on Capitol Hill in Washington, Wednesday, Nov. 1, 2017. (AP Photo/Manuel Balce Ceneta)