-Source-Bloomberg- Googles Sundar Pichai is facing bipartisan criticism for refusing to testify at a Senate Intelligence Committee hearing next week but the panels chairman signaled hes unlikely to issue a subpoena to force the chief executive officer to appear. I dont normally subpoena people to be part of the solution Senator Richard Burr of North Carolina said Tuesday when asked if hes considering such a step. Google chooses not to participate and being part of the solution. Thats a decision they made." Senators Criticize Google CEO for Declining to Testify Twitter Inc. CEO Jack Dorsey and Facebook Inc. Chief Operating Officer Sheryl Sandberg are said to be planning to testify at the Sept. 5 Senate committee hearing on social media and Russian meddling. Alphabet Inc.s Google previously announced it would send Kent Walker its senior vice president for global affairs. The company said Tuesday that Walker whos overseeing its efforts to tackle foreign interference will be in Washington and available to meet with lawmakers on the day of the hearing. But Burr -- who had asked Pichai to testify -- had said Thursday Aug. 23 that Walker wasnt sufficiently high up in the company according to a panel spokeswoman.