An empty chair reserved for Google became the focal point for harsh criticism Wednesday at the U.S. Senate Intelligence Committee's hearing on Russian meddling in the 2016 elections. After thanking Facebook Chief Operating Officer Sheryl Sandberg and Twitter CEO Jack Dorsey for agreeing to testify at the forum, Chairman Richard Burr, R-N.C., added, "I'm disappointed Google decided against sending the right senior level executive to participate in what I truly expect to be a productive discussion."