This combination of 2018-2020 photos shows, from left, Twitter CEO Jack Dorsey, Google CEO Sundar Pichai, and Facebook CEO Mark Zuckerberg. Less than a week before Election Day, the CEOs of Twitter, Facebook and Google are set to face a grilling by Republican senators who accuse the tech giants of anti-conservative bias. (AP Photo/Jose Luis Magana, LM Otero, Jens Meyer)
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